12v 40ah back up system battery
Key parameters:
Normal voltage: 12V
Normal capacity: 40Ah
Maximum charge voltage: 14.6V
Cut off voltage: 10V
Standard continuous discharge current: 1C
Max continuous discharge current: 2.5C
Peak discharge current: 5C
Standard charge time: About 5 hours
Lifepo4 performance:
Safe, never explode & burnt, 2000 times at 100%DOD, low self-discharge rate, big discharge current,
High energy density rate, no memory effect, low cost, small &light ect, with UL, ROHS, TS16949, ISO9001, ISO1400 ect certificates, pase UN38.8 test,
NO. |
Item |
General parameter |
1 |
Model |
OPT-012040 |
2 |
Case material |
ABS case or customized |
3 |
Standard capacity(0.2C) |
40Ah |
4 |
Minimum capacity(1.0C) |
39Ah |
5 |
Rated voltage |
12V |
6 |
Max.Charge voltage |
12V |
7 |
Cut-off voltage |
10V |
8 |
Recommend charge current |
<20A |
9 |
Max charge current |
40A |
11 |
Recommend discharge rurrent |
<40A |
12 |
Pulse discharge current |
75A |
13 |
Battery dimesion |
customized |
14 |
Weight(Approx,including case) |
12 kg |
15 |
Impedance (Max,at 1000Hz.) |
≤20mΩ |
16 |
Charge method
( CC/CV) |
Standard |
CC |
0.2C |
14.6V cut off |
CV |
14.6V |
0.05C cut off |
Rapid |
CC |
1C |
15.2V cut off |
CV |
15.2V |
0.05C cut off |
17 |
Operate temperature |
Charge |
0°c~45°c |
discharge |
-20°c~60°c |
storage |
-20°c~55°c |