Our goal is to be your true partner in 40 Series Battery field in China. We are a private enterprise specializing in the field of small polymer lithium-ion batteries, integrating research and development, production, and sales; Committed to providing customers with environmentally friendly, safe, and durable polymer lithium-ion battery products and solutions. The company focuses on the Bluetooth polymer industry, and its products are widely used in Bluetooth earphones, smart wearables, smart healthcare, smart furniture, smart jewelry, GPS and other fields.The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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![400mah Polymer Lithium Ion Battery]()
400mah Polymer Lithium Ion Battery400mah Polymer Lithium Ion Batteryview more
Batteries: 3.7v 400mah lipo battery
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 400mAh 0.2C Discharge
Charge current: Standard Charging:0.5C Rapid... -
![Rechargeable Lithium Ion Polymer Battery Pack 3.7 V]()
Rechargeable Lithium Ion Polymer Battery Pack 3.7 VBatteries: 3.7v 35mah lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 1000mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![Lithium Ion Polymer Battery 3.7 V 250mah]()
Lithium Ion Polymer Battery 3.7 V 250mahBatteries: 3.7v 250mAh lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 250mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![Lithium Ion Polymer Battery 3.7 V 120mah]()
Lithium Ion Polymer Battery 3.7 V 120mahBatteries: 3.7v 120mah lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 300mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![Lithium Ion Polymer Battery 3.7 V 200mah]()
Lithium Ion Polymer Battery 3.7 V 200mahBatteries: 3.7v 200mAh lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 250mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![Lithium Ion Battery 65mah]()
Lithium Ion Battery 65mahBatteries: 3.7v 65mah lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 1000mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![3.7v 280mah Polymer Lithium Ion Battery]()
3.7v 280mah Polymer Lithium Ion BatteryBatteries: 3.7v 280mah lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 1000mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C -
![Lithium Ion Polymer Battery 3.7 V 40mah]()
Lithium Ion Polymer Battery 3.7 V 40mahBatteries: 3.7v 40mah lipo batteryview more
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 1000mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C
Why Choose Us
Product Application
The company focuses on the bluetooth consumer industry, and its products are widely evaluated in the fields of bluetooth headsets, smart wearables, smart medical care, smart furniture, smart jewelry, gps, etc.
Our Products
Polymer lithium battery, tws, 30 series, 40 series, 50 series, 60 series, 70 series, 80 series, 90 series, 10 series, 11 series, fast charging, 1-3c series, customized models.
Our Certificates
Ccc certification, 9001 quality system certification, kc certification, ul certification, rohs standard, two invention patents, utility patents.
Production Equipment
Including hundreds of equipment such as winders, mixers, automatic slitting machines, automatic film making machines, winders, vacuum ovens, etc...
Advantages of 50 Series Battery
High Energy Density
50 Series battery boast an impressive energy density, meaning they can store a large amount of energy in a compact and lightweight form. This characteristic makes them ideal for portable electronic devices where space and weight are critical considerations.
01
Long Cycle Life
50 Series battery typically have a longer cycle life compared to other rechargeable batteries. They can undergo hundreds of charge-discharge cycles without significant loss of capacity, contributing to their durability and longevity.
02
Quick Charging
50 Series battery support fast charging, allowing users to replenish their devices’ power quickly. This is especially crucial in today’s fast-paced world where individuals rely heavily on electronic gadgets and need a rapid turnaround for their battery charging needs.
03
Low Self-discharge Rate
50 Series battery exhibit a low self-discharge rate, meaning they lose less energy when not in use. This makes them suitable for applications where the device May be idle for extended periods without the need for frequent recharging.
04
Versatility
50 Series battery come in various forms, including lithium-ion (li-ion) and lithium-polymer (li-po), offering flexibility to cater to different applications. This versatility has contributed to their adoption in diverse industries.
05
Applications of 50 Series Battery
Electric vehicle
Electric vehicle refers to a vehicle powered by electric energy and driven by an electric motor. It is a clean, efficient and energy-saving means of transportation. The core component of an electric vehicle is the power battery, which directly determines the cruising range, charging time, safety performance and other indicators of the electric vehicle. Lithium battery is currently the most mainstream power battery technology because it has the advantages of high energy density, long cycle life, no memory effect, and environmental friendliness. Currently, most electric vehicles on the market use lithium batteries such as lithium nickel cobalt manganate batteries, lithium iron phosphorus batteries, and lithium titanate batteries.
Mobile communication
Mobile communication refers to a communication method that uses radio waves to transmit information. It is an indispensable means of communication in modern society. The main devices for mobile communications include mobile phones, tablets, smart watches, wireless headsets, etc., all of which rely on batteries to provide power. Lithium battery is currently the most suitable battery technology for mobile communication equipment because it has the advantages of small size, light weight, stable voltage, fast charging, and long life.
Product Description
|
Batteries |
3.7v 250mAh lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
250mAh 0.2C Discharge |
|
Charge current |
Standard Charging: 0.5C Rapid charge: 1.0C |
|
Standard Charging method |
0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C |
|
Charging time |
Standard Charging: 2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
|
Max.charge current |
1.0C |
|
Max.discharge current |
1.0C |
|
Discharge cut-off voltage |
2.75V(0.2C) |
|
Perating temperature |
ChCharging: 0 °C ~45 °C Discharging: 0 °C ~45 °Carging: 0 °C ~45 °C |
|
Discharging: Storage temperature0 °C ~45 °C |
-10°C~ +45 °C |
|
Dimension |
Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
|
Drop Test |
The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
|
Cycle time |
≥300Times |
Delivery
|
Selling Units |
Single item |
|
Single package size |
48.2X51X13.8 cm |
|
Single gross weight |
46.000 kg |
Lead Time
|
Quantity (pieces) |
1 - 100 |
> 100 |
|
Lead time (days) |
14 |
To be negotiated |
Packaging & Shipping
FAQ
We're professional 50 series battery manufacturers and suppliers in China, specialized in providing high quality custom service. We warmly welcome you to wholesale cheap 50 series battery from our factory. For price consultation, contact us.
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