12V LiFePO4 Battery for Portable Device UL2054, UN38.3 Approved
12V LiFePO4 battery Features:
1) UL1642 approved cells;
2) Battery are UL2054, UN38.3 approved;
3) Long life-cycle vs Lead acid battery;
4) 1/3 Lighter weight vs Lead acid battery;
5) Drop-in replace lead acid battery design;
6) Stable power output vs lead acid battery;
7) Environment friendly;
12V LiFePO4 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 |
|
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 |
|
11 |
Maximum Continuous Charge Current |
10A @ 20℃ |
|
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 |
|
18 |
Over-temperature protection |
65±5℃(Discharge) 60±5℃(Charge) |
|
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 |
|
Other 12V LiFePO4 battery with SMbus
Model |
IFM12-6.6E3 |
IFM12-90E3 |
IFM12-200E3
|
IFM12-450E3 |
|
Nominal Capacity |
6.6Ah |
9.0AH |
20.0AH
|
45.0AH |
|
Nominal Voltage(V) |
12.8V |
||||
Max. Voltage(V) |
14.6V |
||||
Standard Charge Current(A) |
3.3A (CC-CV) |
4.5A (CC-CV) |
10A (CC-CV) |
20A (CC-CV) |
|
Max. Constant Discharge Current(A) |
13A |
15A |
18A |
38A |
|
Max. Pulse Discharge Current |
18A(3S) |
18A (3S) |
20A (3S) |
40A (3S) |
|
Assembly method |
IFR26650EC-3.3Ah 4S2P |
IFR18650EC-1.5Ah 4S6P |
IFR26650EC-3.3Ah 4S6P |
IFR18650EC-1.5Ah 4S30P |
|
Battery Housing |
ABS + PC |
||||
Approx. Weight(g) |
0.9 Kg |
1.25Kg |
2.5Kg |
5.9Kg |
|
Approx. Dimensions |
151X65X95mm |
151X65X95mm |
76X166X181mm |
195X130X183mm |
|
Life Expectation (80% DOD) |
>2000 cycles |
||||
Communication protocol |
SMbus |
||||
Fuel gauge |
4 led indicators |
5 led indicators | |||
Terminals |
F2 | M5 | M6 | ||
Self-discharge Ratio/month |
≤3% |
||||
Temperature |
Charge |
0°C~45°C |
|||
Discharge |
-20°C~55°C |
||||
Storage |
-10°C~35°C |
||||
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