702025 3.7V 280mAh LiPo Polymer Rechargeable Battery for compatible portable electronics and DIY power applications (tablet accessories, portable DVD devices, power banks, etc., where size and wiring match). Free shipping with a reliable tracking number. Please confirm model number, dimensions, polarity, and connector/wire type before purchase. Not for use in drones or any aircraft devices.
| Item | Specification | Remark |
|---|---|---|
| Rated Capacity | 280mAh (typ.) | 0.2C discharge after standard charge |
| Nominal Voltage | 3.7V | Mean operating voltage during standard discharge |
| End-of-Discharge Voltage | 2.75V | Discharge cut-off voltage |
| Charging Voltage | 4.2V | |
| Impedance | ≤55mΩ | |
| Standard Charge | CC 0.2C → CV 4.2V | Cut-off current ≤0.02C |
| Standard Discharge | CC 0.2C | End voltage 2.75V |
| Fast Charge | CC 0.5C → CV 4.2V | Cut-off current ≤0.02C |
| Fast Discharge | CC 0.5C | End voltage 2.75V |
| Max Continuous Discharge Current | 2.0C | |
| Operating Temp. | Charge 0–45°C; Discharge -20–60°C | 60±25% RH |
| Cycle Life | >300 cycles | To 60% of nominal capacity under stated test conditions |
| Storage Temp. | ≤1 month: -20–45°C; ≤3 months: -20–40°C; ≤1 year: 0–30°C | Best 10–25°C for long-term storage |
| Weight | Approx. 6g | |
| Dimensions | 7 × 20 × 25 mm (T×W×L) (±2mm) |