Introduction
The 50mAh Polymer Lithium-ion Battery is a small, lightweight rechargeable lithium polymer battery with a rated voltage of 3.7V and a soft-pack design.
Advantage
Stable Performance
Utilizing highly consistent positive and negative electrode materials, it can stably output its rated capacity under 0.2C discharge conditions.
Safety Compliant
It has passed drop tests (1 meter x 2 times with no fire or leakage) and features standardized charge and discharge cutoff control.
Strong Compatibility
It is compatible with various main controllers, power management ICs, and charging solutions.
Specification
|
Items |
Specifications |
|
Batteries |
3.7v 50mah lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
280mAh 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) |
|
Operating temperature |
Charging: 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 meters twice onto concrete ground. No fire, no leakage |
|
Cycle time |
≥300times |
Customization Options
| Custom Item | Available Options |
|---|---|
| Cell Dimensions | Length / Width / Thickness |
| Voltage Platform | 3.7V / 3.8V / 4.2V |
| Battery Capacity | From 50mAh, configurable |
| Discharge Rate | 1C–3C or higher |
| Fast Charge | Fast charging solution supported |
| Protection Circuit | PCM / BMS |
| Protection Functions | Overcharge / Over-discharge / Overcurrent / Short Circuit / Temperature |
| Communication Interface | Bluetooth / I²C / SMBus (optional) |
| Tab Specification | Position / Length / Material |
| Label & Packaging | OEM label / Customized packaging |
Why Partner with Us
Large-scale Production Capacity
Producing 600,000 batteries per day, with an annual output of approximately 120 million units, reliably meeting large-volume orders.
High-precision Equipment
Equipped with hundreds of production and testing devices, covering key processes such as cell manufacturing, packaging, and testing.
Certifications and Patents
We hold CCC, ISO9001, KC, UL, and RoHS certifications, as well as numerous invention and utility model patents.
Customization Capabilities
Supports customization of cell size, voltage, capacity, and protection circuits to meet diverse needs.
FAQ
Q: Can I have a sample order? And what is the delivery time for a sample order?
A: Yes, we offer samples. The delivery time for samples is 3–10 days. You can test our batteries to learn more about their performance and quality.
Q: Can you produce the order with the customer's brand?
A: Yes, of course. OEM & ODM services are warmly provided.
Q: What's the MOQ?
A: There is no MOQ for samples. For bulk orders, the more you order, the lower the price.
Q: How about the delivery time?
A: Usually, we have a stable stock in the warehouse. The goods can be sent within 2–7 days.
Q: Is your battery's real capacity?
A: Yes, we can provide testing data for each cell to show its actual capacity, IR, and so on. The actual capacity is more than the nominal capacity.
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