The Future Of Medical Wearable

According to IDTechEx’s research on 48 different types of wearable technology products, it is found that up to 40% of wearable devices are of the medical device type. Among them, traditional types of hearing aids, cardiac devices (such as Holter monitors) and insulin pumps, as well as new-type devices such as continuous blood glucose monitors (CGM) for diabetic patients, new electronic skin patches and emerging Wearable medical devices, etc.

What role do wearables have in the medical field in the future?

IDTechEx found that 20 wearable medical device products grew from annual revenues to $10 billion annually from 2010 to 2019, accounting for about one-third of all wearable device revenues in 2019.

However, there are more and more companies that want to use data from wearable devices for healthcare situations. Early diagnosis of certain diseases is conducted by collecting clinical trial data to motivate people to achieve a better and healthy life. In fact, smartwatches belong to this type of representative, but only a small number of devices in the medical field currently have these functions. For example, the launch of the fourth-generation Apple Watch has licensed the FDA for various cardiac monitoring capabilities.

In addition, other smartwatches with similar functions are being developed. Once the product is determined to be used in a medical environment, it will initially comply with the FDA’s regulatory guidelines and strengthen its future product direction.

However, not only smartwatches are touted as potential contributors to the medical device ecosystem. IDTechEx believes that emerging areas such as smart clothing, even though they are still in the early stages of medical applications, have more and more key players entering the field and strengthening the technology of electronic textile products. For example, Canada’s Myant has strategically partnered with various participants (such as Mayo Clinic, ZOLL, and others) to get FDA-approved smart clothing products. Features include vital organ signal monitoring (heartbeat, breathing, blood pressure, etc.), electronic muscle stimulation (EMS) and wound healing heaters, and integrated chemical sensors.

Since many experts believe that the future of wearable devices is medical, how much medical future depends on wearable devices? In fact, wearable devices can provide one of the convenient and mobile options for a period of time, and even provide sensor devices with physical contact for families that need special care. More observers of the future of medical care have found that remote monitoring is very useful for several medical situations. There are a number of companies currently working to remotely monitor different health conditions and provide research funding for such projects for some startups.

What design challenges medical wearable devices will face

Wearable medical devices can be defined as non-invasive systems that can autonomously monitor or support specific medical functions. The term “wearable” indicates that the device is either a device worn directly on the human body or a piece of clothing with the appropriate design to support its use as a wearable accessory. Broadly speaking, this requires the device to be extremely small in size and weight, to function autonomously, to provide its own power supply, to be easy to use and to be comfortable to wear.

Smart wearable medical devices are an extension of traditional medical devices. Medical devices used in hospitals are large, complex and power-hungry, and are designed for high-precision clinical applications. With the development of sensor and semiconductor technology, the device size and power consumption are much smaller than before, making wearable devices a reality. Many of the technologies used in hospital clinics have moved from hospitals to homes or into wearable devices.

Smart wearable healthcare devices are typically non-invasive vital signs monitoring devices that are easy to use and wear. In order to improve the user experience, the lighter the weight, the lower the power consumption, the better. It also provides the ability to connect to other consumer electronic devices.

How to Choose Medical Batteries?

As with all electronics, the trend in medical devices is to make them smaller, lighter, more efficient, more reliable and more competitively priced. At the moment they need a safe battery to power them.

Tips for selecting a medical battery

Modern medical devices require compact, lightweight, efficient, economical, RoHS compliant, reliable and ultra-safe power sources. Switching mode power supplies can meet all these requirements, but not all power supplies are the same. Medical equipment OEMs should pay attention to selecting power sources from reputable suppliers, preferably with mature experience in the medical electronics field and a full understanding of the special requirements and changing standards of the professional industry.

Obviously, it is foolish to choose a medical battery based on the lowest price, because the high cost of potential legal action, product recalls, brand name damage and warranty repairs far outweigh any potential cost savings on the front end. Medical OEMs should also take care to ensure that their selected power sources are fully compliant and certified to the current version of IEC, EN, UL, and CSA medical safety standards. Taking these precautions will make it easier for new medical devices to be certified by responsible safety agencies and the FDA.

Customized batteries for medical devices

As the world’s leading designer and manufacturer of the custom batteries for more than 20 years. Grepow Battery continually devotes our resources and efforts to developing higher performing & critically reliable rechargeable batteries for medical devices. Lithium batteries for medical devices produced by Grepow have complete safety protection circuit, equalization circuit and battery management unit (BMU), and the combination of multiple serial lithium batteries is strict with high consistency. The product has been tested under different temperature, current, shelf life and other conditions, including various abuse tests, to ensure the safety performance of the battery.

Medical instrument lithium battery pack is widely used in the B ultrasound machine, ECG monitor, infusion pump, ventilator, anesthesia machine, light curing machine, physical therapy, rehabilitation instrument and so on.

Based on the advanced technology, stringent quality control, and cost competitiveness, it is able to offer a wide range( -40 ℃~50 ℃ or 20 ℃~80 ℃) of quality batteries to meet customers’ ever-growing demands for higher performance, higher energy density, safer, lighter weight and 1000 cycles life. Custom shaped batteries to fit into any and all available space in your product for maximum efficiency.

Grepow has passed IS09001, ISO14001, TS16949, OHSAS18001 quality system certification, and our products can pass ROHS, CE, UL, UN38.3, MSDS, and other certification. If you need any product certifications, please let us know and we can help to apply for the certification for you.

So far, Grepow sales network covers all areas of China, most areas of Asia, Europe, America, Austria, and some areas of Africa. They also have established offices in Xinjiang, Germany, and the U.S.A. to provide better service to their customers for delivery efficiency and after-sales service.

The Future of Wearable Devices in Healthcare

Technology is continuously altering the medical industry and the future is no exception. Advancement in healthcare today is amazing compared to 100 years ago, and undoubtedly 100 years from now, the healthcare industry will become unrecognizable from what it looks today. Wearable devices with the integration of Artificial Intelligence and Machine Learning will lead the way of future healthcare. Just like smartwatches, Continuous Glucose Monitoring devices, Smart bandages, Smart pills, and remote patient monitoring – to name a few – will be common applications in the future healthcare industry.

In short, wearable devices and medical care will become an inseparable perfect combination in the future and will become the main trend of the future development of wearable products.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

Thin Batteries for Wearable Devices

Thin batteries are some of the smallest. Although these batteries are very small in size, they provide a stable voltage to power electronic devices and outperform button batteries at higher discharge rates.

The technology behind thin batteries originated with Grepow’s development of wearable batteries. After years of successful development, Grepow has developed thin LiPO Batteries. Grepow’s engineers changed the battery layout to maximize usable space. Grepow can now offer shaped batteries from 8mm to as thin as 0.4mm.

The battery’s original cylindrical shape wasted space, so Grepow’s engineers changed the battery layout. They developed thin batteries as bags with square cells and also sealed the customized mixture of cells and materials to prevent moisture and ensure battery life.

these thin batteries have many use cases

Guard against theft

Using thin batteries in small trackers with valuable materials is more effective than using RFID tags that must be scanned manually. Because the battery is small, the tracker can be carefully installed to prevent thieves from tampering with the tag.

Medical technology

While developing new technologies to better care for an aging population, many medical-technology companies are also following the industrial trend of the Internet of things, with a large number of connected devices feeding back information to a central point. Wearable devices and sensors are seen as a way to continuously monitor vital signs in hospitals and outside the medical environment. In hospitals, doctors can use wearable devices that can measure health without confining patients to their beds, but they can also use things like SensiVest.

Intelligent security

Smart security systems are becoming increasingly common in homes to prevent intruders, monitor entrances and detect floods. The global smart home security market is expected to reach $18 billion by 2020.

Most smart security services can be controlled by a smartphone app that displays a real-time camera and allows homeowners to view alerts. As smart security sensors monitor more of the house, the device’s power requirements have changed. Sometimes they can’t all be powered from a central source because the wires are not practical or obvious.

Other applications of thin batteries

Grepow produces high-performance thin batteries for Mini-phone card, Bank cards, Smart card, information cards, heating clothes, smart shoes, a smart belt, military, portable sensors, smart labels, micro speakers, medical equipment, tracking devices, and others. Our R&D team works closely with clients to provide the best solution for their batteries.

Some Thin Battery Model from Grepow

Model No.	Voltage (V)	C-rate	Capacity (mAh)	IR (mΩ)	Weight (g)	Type
AGP0849049-12A	4.35	1C	140	≤150	3.6±0.3	ultra-thin battery
AGP0449049-12A	4.35	1C	48	≤220	1.9±0.3	ultra-thin battery
AP0849049-12A	4.2	1C	135	≤150	3.6±0.3	ultra-thin battery
AP0422055-12A	4.2	1C	22	≤600	0.9±0.1	ultra-thin battery

Grepow’s ultra-thin battery technology is crucial in these applications. As home automation continues to improve, battery manufacturers should think about how to best power the many sensors and devices that make up a network of smart security systems. If manufacturers of home automation devices fail to use innovative battery technology to ensure that batteries last and are reliable, end users will soon be frustrated and are unlikely to invest in further technology.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

Charge And Discharge Design of Low Temperature Battery

Many battery users do not know that consumer-grade lithium-ion batteries cannot be charged below 0 °C. Although the battery pack appears to be charging normally, metallic lithium plating may occur on the anode during low-temperature charging. This plating is permanent and will not be eliminated with the charge cycle. Lead-acid batteries also have the risk of freezing the electrolyte, which can cause the shell to rupture.

Safety hazards in batteries at low temperatures

In the face of the safety hazards of batteries at low temperatures, what problems should you pay attention to when designing engineers? Fast charging of most batteries is limited to between 5 ° C and 45 ° C. For best charging results, consider reducing the temperature range to between 10 ° C and 30 ° C because of oxygen and hydrogen-like nickel-based batteries. Recombination ability will be reduced.

If the battery is charging too fast, the pressure in the battery will increase, causing a discharge. When the charging temperature is lower than 0 ° C, it is very important to reduce the charging current of all nickel-based batteries to 0.1 C. (“C” definition: If the battery capacity is 1000mAh, “C” is defined as discharging 1000mA in 1 hour. For more information, please click: High-rate battery.)

Nickel-based charger with a negative voltage (NDV) full-charge detection provides some protection when charging at low temperatures: When the low temperature simulates a fully charged battery, the charging acceptance rate is poor. This is partly due to the accumulation of high pressure due to a decrease in gas recombination ability at low temperatures. The increase in pressure and voltage drop at full charge appear to be accompanied.

In order to be able to charge quickly at all temperatures, some industrial batteries add a thermal blanket to heat the battery to the right temperature; the smart charger automatically adjusts the charging rate to the current temperature. Consumer electronics chargers do not have these features and end-users can only charge at room temperature.

Performance of different types of batteries at low temperatures

Lead-acid batteries

When it comes to extreme temperatures, lead-acid batteries are quite tolerant, as the battery batteries in our cars show. The recommended low-temperature charging rate is 0.3C, which is almost the same as normal. At a comfortable temperature of 20 ° C, the charging voltage at the start of charging is 2.41 V cells. At -20 ° C, the inflation threshold rose to 2.97V battery.

Frozen lead-acid batteries can cause permanent damage. Always keep the battery fully charged, because, in the discharged state, the electrolyte becomes more like water, which is more likely to freeze than when it is fully charged. Leached lead-acid batteries tend to rupture, causing leaks if frozen; sealed lead-acid packages lose their effectiveness, and can only be supplied several times before the failure, and need to be replaced.

Lithium-Ion Battery

Lithium-ion batteries provide excellent charging performance at cooler temperatures and can be quickly charged over a temperature range of 5 ° C to 45 ° C. Below 5 ° C, the charging current should be reduced, and charging is not allowed at the freezing temperature. During charging, the internal cell resistance causes a slight temperature rise to compensate for some cold. The internal resistance of all batteries becomes higher in the cold.

Many battery users do not know that consumer-grade lithium-ion batteries cannot be charged below 0 °C. Although the battery pack appears to be charging normally, metallic lithium plating may occur on the anode during low-temperature charging. This plating is permanent and will not be eliminated with the charge cycle. Lithium battery cells are more prone to failure if exposed to vibration or other stress conditions. Advanced chargers prevent lithium-ion batteries from charging below freezing temperatures.

Progress is being made to charge lithium-ion batteries below freezing temperatures. For most lithium-ion batteries, charging is indeed possible, but at very low currents.

According to the study, the allowable charging rate in the -30 ° C environment was 0.02 C. For example, a 2500mAh battery needs to be charged at 50mA at -30 °C. At such a low current, the charging time needs to be extended to more than 50 hours, which seems impractical, but in the oil and gas field in northern China. Keeping the Li-Ion battery pack ready and fully charged to control the pressure and other parameters in the pipe seems to work. Usually, these battery packs are used as backup power supplies.

The performance of all batteries at low temperatures drops dramatically; however, due to the increase in internal DC resistance during use, the resulting loss of efficiency can cause some warming effects. At -20 ° C, most batteries stopped working. Although the operating temperature of the nickel-cadmium battery can be reduced to minus 40 ° C, the allowable discharge is only 0.2 C. Lithium-ion batteries can operate at temperatures of -40 ° C, but can only operate at lower discharge rates. Charging at this temperature is not possible. With lead-acid batteries, there is a risk of electrolyte freezing, which can cause the casing to rupture. When fully charged, the lead-acid is more like water, and it freezes quickly when there is only a small amount of electricity.

Matching cells with the same capacity play an important role in discharging at low temperatures and heavy loads. Since the battery in the battery pack can never be perfectly matched, if the discharge is allowed to continue beyond the safe low battery cut-off point, a negative voltage potential may appear on the weaker battery in the multiple battery packs. This is called a battery core reversal, and a weak battery can become a permanent low point. The larger the number of cells, the greater the possibility of reversing the cell under load. Over-discharge at low temperatures and high loads is the main cause of battery-powered equipment failure.

If charged and discharged at a temperature significantly lower than -10 ° C, the battery capacity may also decrease, which coincides with lithium plating during charging. At these low temperatures, the extractable energy is also greatly reduced.

How to overcome the low-temperature restriction

So how do we solve the various problems mentioned above? The low-temperature battery developed by Grepow has broken through these technical limitations and can be used normally in low-temperature environments. Grepow low temperature shaped battery operating environment in the low-temperature range -40℃ to 50℃. Compared with traditional Li-Polymer batteries, it has broken through the discharge temperature limits of -20℃ to 60℃.

The low-temperature battery is a kind of special battery specially developed by Grepow, to overcome low-temperature defects inherent in the performance of chemical power supply. Grepow low temperature shaped battery adopts innovative design concept, advanced formulation system and materials, rigorous process manufacturing process and method, and overcomes many technical bottlenecks to develop low-temperature lithium battery series.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

How to Choose Batteries for Medical Devices?

Modern switching mode power supplies are used in a variety of medical devices, including MRI, X-ray, CT and PET scanners, blood analyzers, DNA equipment, patient monitors, ultrasounds, robotic surgical equipment, cardiopulmonary machines, diagnostic equipment, and automated pharmaceutical dispensers, to name a few. As with all electronics, the trend in medical devices is to make them smaller, lighter, more efficient, more reliable and more competitively priced. Safety standards for medical equipment depending on the application, proximity to patients and operators, and the location and environment of the equipment.

In the design of medical electronic devices, one consideration takes precedence over all others: the safety of the patient and the operator. In some cases, it may be tempting to think that a power source that has been designed and certified for industrial use might also be suitable for medical battery. Often this is not the case, as the risks involved vary greatly.

In addition, many electronic devices used in hospitals (such as patient monitors) operate with very low levels of signals. Medical devices like these tend to be more sensitive to electromagnetic interference (EMI) than most devices used in industry, making EMC (electromagnetic compatibility) compliance and performance a key issue in medical applications.

Protect patients and operators

Hospital patients are often in a vulnerable state. Exposure to even small leakage currents can have adverse effects on their health. The same small leakage current has little effect on healthy people and may be acceptable in industrial applications. Depending on the application, the “permissible leakage current” of the resulting medical device (not just the power source) can range from A few microns (microamps) to A few hundred.”Leakage current” can be defined as an unexpected and potentially harmful current that can pass through the body. Obviously, medical devices that have direct physical contact with patients must limit their leakage current to a specified minimum level.

Medical power safety standard

Medical requirements differ from standard power supplies. For example, the enhanced or double insulation in a 240Vac power supply must be able to withstand a dielectric test of 4kVac for medical applications, while the corresponding figure for ITE/industrial USES is only 3kVac.As with spacing, this difference must be taken into account when selecting a power supply. A power supply approved below 4kVac May be used as part of an enhanced barrier for medical applications provided that insulation within the power supply is considered to be a smaller “basic” or “supplementary” barrier. In this case, additional isolation must be provided within the terminal product medical device through the device. The manufacturer shall meet the requirements of strengthening the barrier between the ac power supply and the patient.

Tips for selecting a medical battery

Modern medical devices require compact, lightweight, efficient, economical, RoHS compliant, reliable and ultra-safe power sources. Switching mode power supplies can meet all these requirements, but not all power supplies are the same. Medical equipment OEMs should pay attention to selecting power sources from reputable suppliers, preferably with mature experience in the medical electronics field and a full understanding of the special requirements and changing standards of the professional industry.

Obviously, it is foolish to choose a medical battery based on the lowest price, because the high cost of potential legal action, product recalls, brand name damage and warranty repairs far outweigh any potential cost savings on the front end. Medical OEMs should also take care to ensure that their selected power sources are fully compliant and certified to the current version of IEC, EN, UL, and CSA medical safety standards. Taking these precautions will make it easier for new medical devices to be certified by responsible safety agencies and the FDA.

Customized batteries for medical devices

Lithium batteries have the advantages of high energy density, small size, lightweight, long life, good battery capacity maintenance, wide operating temperature range, and other advantages, to meet the requirements of portable medical equipment lightweight, mobility.

As the world’s leading designer and manufacturer of the custom batteries for more than 20 years. Grepow Battery continually devotes our resources and efforts to developing higher performing & critically reliable rechargeable batteries for medical devices. Lithium batteries for medical devices produced by Grepow have complete safety protection circuit, equalization circuit and battery management unit (BMU), and the combination of multiple serial lithium batteries is strict with high consistency. The product has been tested under different temperature, current, shelf life and other conditions, including various abuse tests, to ensure the safety performance of the battery.

Medical instrument lithium battery pack is widely used in the B ultrasound machine, ECG monitor, infusion pump, ventilator, anesthesia machine, light curing machine, physical therapy, rehabilitation instrument and so on.

Based on the advanced technology, stringent quality control, and cost competitiveness, it is able to offer a wide range( -40 ℃~50 ℃ or 20 ℃~80 ℃) of quality batteries to meet customers’ ever-growing demands for higher performance, higher energy density, safer, lighter weight and 1000 cycles life. Custom shaped batteries to fit into any and all available space in your product for maximum efficiency.

Grepow has passed IS09001, ISO14001, TS16949, OHSAS18001 quality system certification, and our products can pass ROHS, CE, UL, UN38.3, MSDS, and other certification. If you need any product certifications, please let us know and we can help to apply for the certification for you.

So far, Grepow sales network covers all areas of China, most areas of Asia, Europe, America, Austria, and some areas of Africa. They also have established offices in Xinjiang, Germany, and the U.S.A. to provide better service to their customers for delivery efficiency and after-sales service.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

Wearable Device Power Solution

Wearable technology engineers and designers face the same challenge all the time — how do you design a battery, which is often the largest single component of a wearable device, to keep it beautiful and functional? Batteries are heavy. They are clunky and unwieldy – but they are essential to keeping every technology going.

What is Wearable Power?

Unfortunately, when we jog, we can’t plug in the power, so battery power is an absolutely essential part of any wearable technology. Our smartphones need charging, our fitness trackers, our wearable cameras and camcorders. Without power, we can tie wearable gems to our legs and wrists. This is where wearable battery come in. The wearable battery is connected to the wearer’s clothing or straps and provide the same amount of energy as they do for other wearable technologies. They are small, light, unobtrusive, and carry enough power to power all your wearable devices.

In wearable devices, the battery is usually very small (for example, 100 mAh), and the device takes several days or even weeks without charging, so power consumption is a key design consideration. Therefore, high power conversion efficiency will be a key design element.

Stylish wrist-worn wearable devices need to be kept to a minimum size in order to maintain their cool features. This drives a high level of full device integration including batteries. In addition, wearable devices can employ a novel battery.

The Biggest Challenge For Wearable Tech

1. The battery intelligent management system should have almost all types of safety design, including overvoltage protection, overcurrent protection, overtemperature protection, short circuit protection, and low-temperature charging, even when the power solution size must be kept very small. is also like this.

2. Because the wearable battery is small, the need for charging accuracy is increased, making charging these small batteries is not an easy task. The charger must be able to provide a smaller charge cut-off current. In other words, the accuracy of the charger should be higher, up to mA level. For example, in a smartphone system, the normal charging current of a 2,000 mAh battery is 1.2 A (0.6 C), and the charging cut-off current should be 1/10 to 1/20 of the normal charging current, that is, 120 mA to 60 mA.
However, in the bracelet, since the battery capacity may be 100 mAh, the normal charging current will be 60 mA, and the charging cut-off current should be 6 mA to 3 mA. Charger devices that meet this requirement are difficult to find.

3. Wearable devices should have a long battery life. Often, consumers are not happy if they charge their devices every day. In the current situation where many of the best smartphones have to be recharged in a day or two, end users are clearly looking forward to improvements. The entire power management should be able to provide a highly efficient power supply.

4. In wearable devices, the failure point of many products is the charging/signal connector because of the relationship between humidity and corrosion.

Wearable Power Products

In response to these design challenges, Grepow batteries have taken corresponding measures to gradually solve the battery runtime requirements based on their cutting-edge battery production technology. We need to use a novel battery while using a wearable device. The novel battery power density is increased in that it takes longer to convert to available power.

With the great success of wearable applications such as smart shoes and Bluetooth headsets, small batteries have become the decisive choice for wearable devices. Wearable devices can be used in any area, and some battery designs are limited to size or special shape requirements. Grepow wearable battery has a small size, irregular shape, wide application temperature range (-40 ° C ~ 50 ° C or -20 ° C ~ 60 ° C), etc., is a customer custom power solutions, is also a development trend.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

How to Increase Bluetooth Headset Battery Life?

I believe that many drivers and friends have such troubles, it is not convenient to answer the phone when driving. The advent of the Bluetooth headset has solved this problem very well. Let us avoid the annoying wires and easily talk in a variety of ways.

So how to charge the Bluetooth headset? Speaking of this problem, maybe a friend is thinking, isn’t it simple enough to charge a Bluetooth headset? Plug the plug directly and turn the power on. In fact, Bluetooth headset charging is still very skillful, the correct charging method can maintain the life of Bluetooth. Next, I will introduce the Bluetooth headset charging method for everyone.

Bluetooth headset charging process

Choose the right charger. General Bluetooth headsets have dedicated chargers. If you don’t have a dedicated charger, you can find the charging interface (some are small round holes, some are MiniUSB universal interfaces), and the charger with the same rated output power.

When charging, insert all the plugs in. Don’t just insert more than one half, which will damage the machine for a long time. When plugging or unplugging the charging plug, it should be lighter, otherwise, the plug will be loose if the time is long.

If you plug the Bluetooth headset into the dock or the charging box to charge, it will take longer to charge than when you charge directly to the Bluetooth headset. The charging method is the same as charging the earphone directly, and inserting the charging wire into the hole of the base can be inserted.

When the battery is charged, the red indicator lights up, indicating that it is charging. If the charging is completed, the indicator light will turn blue and the charger can be removed.

When charging the Bluetooth headset, try not to use the headset again to avoid accidental damage.

Bluetooth headset charging time

The Bluetooth headset battery is not fully charged when it leaves the factory. In order to fully activate the battery, charge the first three times for 6-8 hours. It will be 2-3 hours after each charge. When charging, it is usually a bright red indicator light. If the light is off, the power is already full (the individual headphones are full of blue or green light, the manual will indicate).

In order to achieve the longest battery life, it is necessary to master the correct method of charging the Bluetooth headset, that is, charging only when the battery is low.

Life of Bluetooth headset

The normal life of a Bluetooth headset is generally related to its battery life. The number of times the battery is charged is about 500 times. That is, the normal service life is about 2 years. The battery of the general Bluetooth headset can talk for 8-10 hours continuously, listen to music for 6-8 hours, and can stand for 15-30 days. The life of the Bluetooth headset battery is mainly related to the quality of the battery. The quality of the wireless Bluetooth headset battery can be used for 2-3 years.

Bluetooth headset charging time

The charging time of a single ear Bluetooth headset is generally not more than 3 hours. This is the best charging time. It is better not to exceed 4 hours for the Bluetooth headset of both ears. Everyone knows that the lithium battery inside the Bluetooth headset is small in size, and the charging time is useless. It is not like our mobile phone battery, it can extend the charging time. A better and more accurate explanation should be said, as long as the charging indicator of the Bluetooth headset does not flash, indicating that the charging is full, then we do not need to recharge, you can unplug the power.

Bluetooth headset is also an electronic product, built-in battery, battery charging has a long life, the general battery charging cycle is 300 to 500 times, the more the number of charging, the battery’s ability to continue to charge is smaller, this is the characteristics of the battery, Therefore, the endurance ability will be worse and worse, and some low-end Bluetooth headsets are used with very poor batteries, and the actual number of cycles is less than 100 times.

Customized Bluetooth Headset Battery with Long Life

Most batteries for Bluetooth headset are a rectangular shape, which capacity is 200 to 500mAh range, but they do not make use of the entire space of the headphones they power, because most headphones are the round batteries or oval shape batteries.

The customized shaped batteries created by Grepow can better fit into the remaining spaces of the headphones, and provide maximum capacity. Furthermore, Grepow provides solutions for high discharge rates and high voltage cells. Customers need only focus on the design of their product, Grepow will provide the maximum capacity solution.

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: https://www.grepow.com/

How Does Cold Weather Affect Batteries?

In the low-temperature environment, the chemical reaction rate becomes slower, the resistance value of the electrolyte becomes larger, the lithium-ion traversing performance becomes worse, the activity decreases, and the discharge current becomes smaller, resulting in a decrease in the usable capacity of the battery. Lithium batteries consume a lot of power at low temperatures, which is actually the illusion of everyone. The essence is that the battery capacity of the lithium battery itself is reduced.

Electrical conductivity and material activity in the cell

Experimental data: The power consumption of the same mobile phone at -5 °C is 1.7 times that of 20 °C. The essence is that the current of the lithium battery becomes smaller and the available capacity is reduced.
When the mobile phone detects that the battery capacity is low, and the ambient temperature is low, resulting in a small current, the temperature protection circuit in the battery built-in protection board is activated, and the mobile phone will automatically shut down. When the ambient temperature returns to the normal value and the temperature protection circuit are turned off, the mobile phone can work normally.
In order to avoid the above situation, in the low-temperature environment, it is best not to use the mobile phone for a long time. When you go out, you should put the mobile phone in your pocket, pack and other places where you can keep warm. You can also buy a thick mobile phone case for your mobile phone to keep warm.

In fact, condensed water is more serious than low temperature. Returning from the cold outside to the indoors, the warm air in the room condenses in the cold, and water vapor is generated on the mobile phone. If water vapor enters the motherboard, the phone will get wet, crash or fail to boot. Therefore, in the case of a large temperature difference, avoid the phone is exposed, if you have to talk, you can plug in the headset.
In fact, many factors will affect the mobile phone battery, but the temperature has the greatest impact on the battery. The impact of low temperature on the mobile phone battery is mainly manifested in three aspects. First, as mentioned above, it will affect the conductivity and material activity in the battery. To reduce the battery capacity, secondly, the low temperature easily causes the circuit board to form a mist and cause a short circuit. In addition, the battery is affected by the low-temperature environment for a long time.
If it is only studied from the viewpoint of capacity, the electrolyte used for the lithium battery acts as an organic liquid, like grease, and becomes viscous or even condensed at a low temperature. At this time, the activity of the conductive lithium salt is greatly limited in the inside, so that the charging efficiency is very low, which may cause the lithium battery to be charged slowly at a low temperature, and the charging is not full, and the discharge is also the same.

The perspective of battery capacity

Although the normal operating temperature of the mobile phone battery is relatively wide, as the temperature is lowered, the discharge performance of the lithium battery will be significantly reduced, the discharge platform will be significantly reduced, and the discharge capacity will be significantly reduced. However, because of the different battery performance of different brands, there is a certain difference in low-temperature resistance. Therefore, some users say that the capacity change of a battery with a capacity of 3000 mA at 30 degrees in a low-temperature environment is unpredictable but generally Say, as long as the temperature is above zero degrees Celsius, the available capacity of the mobile phone battery will not drop significantly.

In addition, it seems that there is no official data on the influence of temperature on battery capacity on the Internet. Only the capacity performance of a certain brand battery affected by temperature can be found. You can refer to When the temperature drops to -30 °C, the discharge capacity of the battery is the room temperature discharge capacity. 87.0%, the average discharge voltage is reduced by 0.598V compared with room temperature, and the stored energy is only about 70% of the ordinary environment. The constant current charging capacity of the lithium-ion battery is only 14% of the total charging capacity, and the constant voltage charging time is It will also become very long.
It can be seen that the effect of extremely low temperature on the battery is very large, but it is not as exaggerated as we think. It is estimated that the temperature should be below 10 degrees and the battery capacity should be more than 90% efficient. If you can avoid exposing your phone to a low temperature when you are at a low ambient temperature, try to keep your phone’s operating temperature above zero degrees Celsius. After using it for a while, the mobile phone’s own heat will gradually work.

Custom low-temperature battery

Grepow low temperature battery can effectively improve the discharge performance of the battery in the low-temperature environment, reduce the internal resistance of the battery, and achieve the effect of high rate discharge. Therefore, its battery life is longer and its power is stronger. This is also one of the core technologies of Grepow, which has the following advantages:
Wide operating temperature range, -40 ° C to 50 ° C. Compared with traditional Li-Polymer batteries, it has broken through the discharge temperature limits of -20℃ to 60℃.

High performance of discharge at low-temperature, the lowest one is able to discharge over 60% efficiency @0.2C at -40℃, and discharge over 80% efficiency @0.2C at -30℃.
Flexible size, the battery can be designed according to customer’s size. For example, irregularly shaped batteries:
 ●Ultra Thin Battery●Curved Battery●Round batteries●Triangle Battery●Hexagon Battery●Ultra Narrow Battery●C Shape Battery●D Shape Battery●Polygonal Battery 
Can be widely used in cold climates and military products. With the ability to mass production, cell consistency is good.