Custom 2000mAh LiPo Battery Manufacturer in China
In the battery industry, 2000mAh in the battery parameters means that it can provide 2000mA current for 1 hour under standard conditions. And because the electrolyte of LiPo batteries is different from that of general lithium-ion batteries, they generally adopt an aluminum plastic film soft packaging structure with a thickness of less than 5mm, which is 30% lighter than traditional lithium-ion batteries and 50% higher in volume energy density. Therefore, lithium polymer batteries 2000mAh are very suitable for space-constrained devices such as smart watches and Bluetooth headsets.
VTCBATT provides you with high-quality 2000mAh lithium polymer batteries with high safety performance and long battery life. Whether you are engaged in consumer electronics, industrial equipment, medical equipment, or other industries, it is very appropriate to buy our batteries. Our factory in China can provide you with affordable wholesale prices. The larger the order volume, the lower the price.
2000mAh LiPo Battery Model
Pros of VTCBATT 2000mAh LiPo Battery
As the electrolyte of a lithium polymer battery is solid or colloidal, it can generally use an aluminum plastic flexible packaging structure, which is relatively safe compared with a traditional metal shell battery. It is hard to explode perfectly in severe cases; sometimes, there can be a bulge only.
It’s thickness may achieve ultra-thin (1mm is the thinnest), the size is small and the weight is light, having 40% less weight compared with the steel shell lithium battery of the same capacity, which is fare to reduction of the equipent’s volume with the preferred feature of lighter weight equipment, that can be convenient for equipment installing and transportation.
The volumetric energy density can be up to 180-220Wh/kg, 1.5-2.5 times that of Ni-MH batteries. It is of a large capacitance for the small volume and can be used for portable electronic equipment.
Very low self-discharge, and its power loss is also small at long-term storage, which lets you for a longer time to save the standby electricity.
It has the characteristics of being in soft soft bag shape and can be freely designed, freely forming any shape and size, and meets various equipment requirements.
Without heavy metals, the low pollution risk, and raw material recovery rate can reach 70%, meeting the requirements of environmental protection.
Some can last for more than 2,000 charge and discharge cycles, making such models usable over a long period.
Such characteristic makes it very popular in high power/ thin design applications, including smart wearable devices, Bluetooth headsets, etc, where its high volume and high safety are significant advantages.
Lipo Battery Manufacturing Process
Automatic OCV test for K value
Lipo battery K value is the most important factor to evaluate the battery quality with combined value of self-discharge,internal resistance and voltage change.The automatic OCV test machine can record every battery value and generate K valueautomatically,which will be stored in battery production database for battery quality traceability and earlier failure detection.
Applications of VTCBATT 2000mAh LiPo Battery
VTCBATT 2000mAh LiPo battery is light and has high energy density, suitable for powering the following devices:
Smart wearables: smart watches/bracelets (for example: Apple Watch battery capacity of 1.07-1.3Wh, i.e., approximately 300-350mAh).
Sound product: TWS Bluetooth headset (single ear 50-100mAh) + charging warehouse combination.
Smart home: (electronic door lock about 1000mAh/year power consumption) smart and smart (sensor).
Ultra-thin mobile power: 5000mAh product, board thickness <8mm (multiple pieces in parallel).
Relief equipment: e-cart, LED camp light, electronic cigarettes (high discharge).
Medical apparatus: blood glucose meter, portable atomizer.
In other applications there are industrial detection: pipeline robots, wireless measuring instruments.
Scientific research devices: microclimate station, biosensor.
Innovative ApplicationsFlexible Electronics: Foldable Keyboard (Logitech K380), which requires approximately 1200mAh.
Smart garment: warming vest (several components assembled to acquire 5W heating power).
Microrobots: bionic robots similar to insects (battery life: 30-60 min).
First, compared with the metal rigid shell of traditional lithium-ion batteries, lithium polymer batteries are mostly packaged in soft packs because the internal polymer is solid or gel-like, so the shape of lithium polymer batteries can be customized.
Secondly, the energy density is higher, up to 180-220Wh/kg, smaller than traditional lithium-ion batteries (the same 2000mAh is 30% smaller in volume), and more widely used. And support 5-10C continuous discharge (10-20A current), meet the instantaneous high power consumption requirements such as drones taking off
At the same time, it is more resistant to low temperatures, and can still maintain 70% capacity at -20℃ (conventional lithium ion batteries -10℃ capacity decay to 50%).
At the same time, safety is improved: gel electrolyte is not easy to leak, soft pack expansion warning (non-explosive failure), can integrate multi-layer protection circuits (PCB+PTC) while traditional lithium-ion batteries rely on BMS.
And multiple pieces in parallel do not require rigid brackets, and the mold opening cost is more than 50% lower than that of steel shell batteries, which is suitable for small batch smart hardware products.
Compared with lithium iron phosphate batteries, lithium polymer batteries have a 50% higher energy density, but a 300-cycle lifespan is shorter. And although the cost is only 1/3 of solid-state lithium-ion batteries, their high-temperature performance is slightly weaker (solid-state batteries can operate at temperatures up to 150°C).
Advantages:
2000mAh batteries are smaller in size and suitable for devices with high portability requirements (such as TWS headphones, smart watches, etc.). The amount of materials used is reduced, and the production cost is relatively low. At the same charging power, it takes less time for a small-capacity battery to be fully charged.
4000mAh battery
Double the capacity directly to extend the use time of the device, especially for high-frequency usage scenarios such as mobile phones and tablets. And large-capacity batteries are usually equipped with fast charging technology to alleviate the pressure of charging time.
Disadvantages:
2000mAh batteries need to be charged frequently, which may affect the user experience, especially in mobile devices. It is difficult to meet the needs of high-power devices (such as 5G mobile phones and gaming devices).
The increase in the capacity of 4000mAh batteries usually leads to an increase in battery size and weight, which may affect the thin and light design of the device. The increase in material and process costs is reflected in the price of the terminal product. Large-capacity fast charging generates more heat, and a cooling system is required to maintain stability.
Summary:
When choosing, you need to weigh the battery life requirements and portability/cost: if you pursue long battery life and can accept a slightly larger size, 4000mAh is better; if you emphasize lightness and cost control, 2000mAh is more suitable.
Small-capacity batteries often use mah as a capacity unit, large-capacity batteries often use wh, and sometimes wh is also used as a unit of power. Therefore, unit conversion is often required. The following is the calculation formula:
First, you need to confirm the battery voltage: different battery types have different voltages, such as lithium-ion batteries are usually 3.7V, lead-acid batteries are 12V, etc. Then substitute the formula to calculate: multiply the mAh value by the voltage and divide by 1000 to get the wh value.
First, you must use a dedicated charger for lithium polymer batteries. Ordinary chargers may cause explosions or damage.
Then keep the voltage matching, for example, a 3.7V battery needs a 3.7V charger. It is recommended that the charging current does not exceed 0.5-1C of the battery capacity (such as 1A-2A current for a 2000mAh battery). At the same time, choose a charger with overcharge, over-discharge, and short-circuit protection. If it is a multi-cell battery pack, a balanced charger is required to ensure that the voltage of each cell is consistent.
It is recommended to avoid completely exhausting the battery during use, and charge when there is 20% remaining. Keep the battery at about 50% when not in use for a long time, and store it in a cool place.
VTC’s quality management system covers:
- Goods receiving and outgoing inspection
- Testing according to customer requirements
- Temperature range checks
- Component and circuit analysis
- Comprehensive investigation using dedicated measuring equipment
- Mechanical, electrical, climatic testing, X-ray analysis
- Rapid generation of 8D reports and detailed analysis reports
- Component qualification
- Determination of reliability indicators for special components
- Internal audits of systems, processes, and procedures
- Audits of production facilities and supplier audits
