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Product Description
NO. | Items | Specifications |
1 | Charge voltage | 4.2V |
2 | Nominal voltage | 3.7V |
3 | Nominal capacity | 4000mAh 0.2C Discharge |
4 | Charge current
| Standard Charging:0.5C Rapid charge: 1.0C |
5 | 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 |
6 | Charging time
| Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
7 | Max.charge current | 1.0C |
8 | Max.discharge current | 1.0C |
9 | Discharge cut-off voltage | 2.5V0.25V(0.2C) |
10 | Operating temperature | Charging: 0 C ~45 C Discharging:0 C ~45 C |
11 | Storage temperature | -10C~ +45 C |
12 | Dimension | Length: 1130.5mm (not including tabs) Width: 660.5 thickness:3.70.2mm |
13 | Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
14 | cycle time | 800times |
15 | As of shipment | 3.6V~3.9V |
16 | Weight | Approx65g |
17 | Temperature Characteristics | 1. According to item 4.1.1, at 235. 2. Capacity comparison at each temperature, measured with constant discharge current 0.2C with 2.75V cut-off.Percentage as an index of the capacity compared with 100% at 23 |
Criteria:-20: 65% 23: 100% 80: 95% | ||
18 | Standard Charge | Charging the cell initially with constant current at 0.5C and then with constant voltage at 4.2V till charge current declines to 0.05C |
Criteria:N.A. |




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