|
No. |
Item |
General Parameter |
Remark |
|
1 |
Rated Capacity |
21Ah |
Standard discharge(0.2 C5)after standard charge(0.2 C5) |
|
2 |
Minimal Rated Capacity |
20.3Ah |
|
|
3 |
Nominal Voltage |
12.8V |
|
|
4 |
Cycle Life
|
Higher than 60% of the Initial Capacity of the Cells |
◆Charge: [email protected] to 14.6V, then CV till current to 0.05C ◆Rest: 30min. ◆Discharge: 0.2C to 10.0V ◆Temperature:20±5℃ ◆Carry out 2000cycles |
|
5 |
Discharge cut-off voltage |
10.0V |
10.0V( recommended) 10.0V |
|
6 |
Charging cut-off voltage |
14.6V |
14.6V (recommended) |
|
7 |
Cell and assembly method |
IFR26650EC-3.3AH |
4S7P |
|
8 |
Housing material |
PVC |
|
|
9 |
Standard charge |
0.2C constant current(CC) charge to 14.6V,then constant voltage (CC)14.6V charge till charge current decline to ≤0.05C |
Charge time : Approx 7h |
|
10 |
Standard discharge |
Constant current 0.2C Cut-off voltage 10.0V |
|
|
11 |
Maximum Charge Current |
10A |
|
|
12 |
Continuous Discharge Current |
10A |
|
|
13 |
Operation Temperature Range |
Charge: 0~45℃ |
60±25%R.H.
|
|
Discharge(: -10~60℃ |
|||
|
14 |
Storage Temperature Range |
Less than 1 year : 0~25℃ |
60±25%R.H. at the shipment state |
|
Less than 3 months:-5~35℃ |
|||
|
15 |
Weight |
Approx:2.7Kg |
|
|
16 |
Max.Dimension |
Height:75mm |
|
|
Width: 124mm |
|||
|
Length: 202mm |
