O'CELL 12V20Ah LiFePO4 Battery
Features:
1) Cells are UL1642 & IEC62133 approved;
2) Battery is UL2054 and UN38.3 approved;
3) 1/3 Lighter vs Lead acid battery;
4) 4~5 times longer cycle life vs lead acid battery @ 100%DOD;
5) Environment friendly vs lead acid battery;
6) Drop-in 12V17Ah lead acid battery;
Specification
No. | Item | General Parameter | Remark |
1 | Rated Capacity | 20.0Ah | Standard discharge(0.2C) after standard charge(0.2C) |
2 | Minimal Capacity | 19.0Ah | |
3 | Nominal Voltage | 12.8V |
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4 | Life Expectation | Residual capacity is more than 60% of the rated capacity | 1)Charge: CC @ 0.2C to 14.6V, then CV till current to 0.05C 2)Rest: 30min. 3)Discharge: 0.2C to 10.0V Temperature:20±5℃ Carry out 1200 cycles |
5 | Discharge cut-off voltage | 2.4V/cell (≥9.6V) | 10.0V recommended |
6 | Charging cut-off voltage | 3.9V/cell (≤15.6V) | 14.6V recommended |
7 | Assembly method | IFR26650EC-3.3AH | 4S6P |
8 | Housing material | ABS+PC | Flame Retardant Plastic |
9 | Standard charge | 0.2C constant current (CC) charge to 14.6V,then constant voltage (CV) 14.6V charge till charge current decline to ≤0.05C | Charge time : Approx 7.0h |
10 | Standard discharge | Constant current 0.2C Cut-off voltage 10.0V |
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11 | Maximum Continuous Charge Current | 10A @ 20℃ |
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12 | Maximum Continuous Discharge Current | 15A @ 20℃ | Over current: 20A (≤5S) |
13 | Operation Temperature Range | Charge: 0~50℃ | 60±25%R.H. |
Discharge: -10~50℃ | |||
14 | Storage Temperature Range | Less than 6 months: 0~10℃ | 60±25%R.H. at the shipment state |
Less than 3 months:10~30℃ | |||
15 | Approx. Weight | 2.5Kg | Specific energy: 102Wh/Kg |
16 | Dimension | L181*W76*H166 mm | Housing color is optional; Terminal is M5 bolt; |
17 | Fuel Gauge | 4 LEDs indicator |
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18 | Over-temperature protection | 65±5℃(Discharge) 60±5℃(Charge) |
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19 | Short circuit protection | Will recover after removal of short | Replaceable 30A fuse as 2nd protection |
20 | Pre-charge function | Start @ 2.0V/cell & finish @2.4V/cell; | Depend on charger |
21 | Communication protocol | SMbus |
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