Technical Specifications:
| Parameter |
Specification |
| Battery Type |
3.7V 2000mAh LiPo Battery |
| Charge Voltage |
4.2V |
| Nominal Voltage |
3.7V |
| Nominal Capacity |
2000mAh @ 0.2C Discharge |
| Charge Current |
Standard: 0.5C, Rapid: 1.0C |
| Standard Charging Method |
0.5C CC charge to 4.2V, then CV charge till current ≤0.05C |
| Charging Time |
Standard: 2.75 hours, Rapid: 2 hours |
| Max. Charge Current |
1.0C |
| Max. Discharge Current |
1.0C |
| Discharge Cut-off Voltage |
2.5V±0.25V (0.2C) |
| Operating Temperature |
Charging: 0°C ~45°C, Discharging: 0°C ~45°C |
| Storage Temperature |
-10°C ~ +45°C |
| Dimensions |
Length: 65±2mm, Width: 40±0.5mm, Thickness: 6.5±0.2mm |
| Drop Test |
Dropped from 1m height twice onto concrete – no fire, no leakage |
| Cycle Life |
≥500 cycles |
3.7V vs 3.8V Battery Comparison:
Nominal Voltage & Charging Voltage
3.7V Standard Voltage Battery: Nominal voltage 3.7V, charging cut-off voltage 4.2V
3.8V High Voltage Battery: Nominal voltage 3.8V, charging cut-off voltage 4.35V
Energy Density:
High voltage batteries provide higher energy output within the same volume. For 2000mAh cells:
- 3.7V system energy ≈ 7.4Wh
- 3.85V system energy ≈ 7.7Wh, with volumetric energy density increase of approximately 15%
Cycle Life and Performance:
High-voltage batteries have shorter cycle life due to higher operating voltage. Standard-voltage batteries are ideal for devices requiring long-term use and reliability.
Application Scenarios
3.7V Standard Voltage: Bluetooth headsets, dashcams, headlamps – mature technology, high safety, low cost
3.8V High Voltage: High-end mobile phones, IoT terminals, medical equipment – requires 4.35V charging circuits
