12V21Ah LiFePO4 battery for replacing lead acid battery
Negotiable /Pack
Min.Order:20 Packs
Ocell New Energy Technology Co., Ltd.
Specification
1 | Rated Capacity | 21.0Ah | Standard discharge(0.5C)after standard charge(0.5C) |
2 | Minimal Capacity | 19.6Ah | |
3 | Nominal Voltage | 12.8V | |
4 | Cycle Life | Higher than 60% of the Initial Capacity of the battery pack | 1)Charge: 0.5C CC to 14.6V, then CV till current to 0.05C 2)Rest: 30min. 3)Discharge: 0.5C to 10.0V 4)Carry out 800cycles (Temperature:20±5°C) |
5 | Discharge cut-off voltage | 8.0V | 10.0V(recommended) |
6 | Charging cut-off voltage | 15.6V | 14.6V(recommended) |
7 | Cell and assembly method | IFR18650EC-1.5AH | 4S14P |
8 | Packing material | 12V17AH SLA battery housing | |
9 | Standard charge | 0.5C constant current(CC) charge to 14.6V,then constant voltage (CC)14.6V charge till charge current decline to ≤0.05C | Charge time : Approx 3.5h |
10 | Standard discharge | Constant current 0.5C to 10.0V | |
11 | Maximum Charge Current | 25A | 3A recommended for better peformance and longer life |
12 | Continuous Discharge Current | 25A | Peak current 35A 5S |
13 | Operation Temperature Range | Charge: 0~45°C | 60±25%R.H. |
Discharge: -10~50°C | |||
14 | Storage Temperature Range | Less than 1 year : 0~25°C | 60±25%R.H. at the shipment state |
Less than 3 months:-5~35°C | |||
15 | Weight | Approx: 2.75Kg | |
16 | Pack Dimension | L181*W76*H166mm |
More model is available!
NEW Model with SMbus, LED capacity indicator & 30A continuous discharging will be released Soon!
Dimension (for reference only)