NO. | Items | Specifications |
1 | batteries | 3.7v 400mah lipo battery |
2 | Charge voltage | 4.2V |
3 | Nominal voltage | 3.7V |
4 | Nominal capacity | 400mAh 0.2C Discharge |
5 | Charge current | Standard Charging:0.2C Rapid charge: 1.0C |
6 | 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 |
7 | Charging time | Standard Charging:2.75hours(Ref. )Rapid charge: 2hours(Ref.) |
8 | Max.charge current | 0.5C |
9 | Max.discharge current | 1.0C |
10 | Discharge cut-off voltage | 2.5V0.25V(0.2C) |
11 | Operating temperature | Charging: 0 °C ~45 °C Discharging:0 °C ~45 °C |
12 | Storage temperature | -10°C~ +45 °C |
13 | Dimension | Length:35±0.5mm (not including tabs) Width:20±0.5mm Thickness:6±0.2mm |
14 | Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
15 | cycle time | ≥800times |
Performance and Safety Characteristics:
High Discharge Rate Capability: They are capable of delivering high currents and can support rapid charge and discharge cycles. This makes them suitable for applications that require quick bursts of power, such as in digital cameras for taking multiple photos in quick succession or in power tools for delivering high torque.
Good Cycle Life: With proper care and use, lithium polymer battery cells can typically withstand hundreds of charge-discharge cycles before their capacity significantly degrades. This long cycle life makes them a cost-effective choice in the long run for applications that require frequent battery replacement.
Enhanced Safety: They are generally considered to be safer than some other lithium-based battery chemistries. They are less prone to thermal runaway and have built-in safety features such as overcharge protection, overdischarge protection, and short-circuit protection. However, it's important to note that like any battery, they still need to be used and stored properly to ensure safety.