-40%
(4PCS) 3.2V 280AH LiFePo4 BATTERY BOAT RV SOLAR w/ LASER WELDED REINFORCED STUDS
$ 356.4
- Description
- Size Guide
Description
Brand new grade "A"Rept Cells
, 3.2V, 280Ah, LiFePo4 battery cells (4 cells) including M6 screws, washers, and 4 bus bars.
Nominal Capacity: 280Ah - Tested in the USA and Guaranteed!
Reinforced laser welded studs to improve screw torque.
Energy Density: 167 W h/kg
Cycle Life: 4000 Cycles @0.5C, 25℃ (77°F)
Nominal voltage: 3.2V
Working Voltage : 2.5-3.65V
Dimensions: 71mm x 173mm x 200mm
LiFePo4 advantages:
Lightweight
Improved discharge and charge efficiency
Safer than LiPo chemistry
Longer lifespan
No maintenance
Product Specifications
Specification
Value
Notes
Nominal Capacity
280Ah
25±2°C
77±3°F
Nominal Voltage
3.2V
Operating Voltage
2.5 - 3.65V
Nominal Discharge Current
140A
25±2°C
77±3°F
Maximum Continuous Discharge Current
280A
25±2°C
77±3°F
Maximum Discharge Current
560A
@60s, SOC≥20%
Nominal Charging Current
140A
25±2℃
77±3℉
Maximum Continuous Charging Current
280A
25±2℃
77±3℉
Maximum Charging Current
560A
@60s, SOC≤80%
Working Temperature
Charge: 0℃-55℃,32℉-131℉
Discharge: -30℃-55℃,-22℉-131℉
Storage Temperature
-30℃-60℃,-22℉-140℉
Dimensions
Thickness: 71.47±1 mm
Width: 174.7±0.5 mm
Shoulder height: 200.5±0.6 mm
Total height : 207.1±0.6 mm
Cathode Material
LFP
Cell Weight
5.27±0.16kg, 11.61±0.35lbs
Energy Density
170Wh/kg
Standard Charging Method (CC & CV)
With an ambient temperature of 25±2℃, the cell must charged with constant current of 1/2I1(A)=151A until the voltage is raised to 3.65V. Afterward, it is charged at a constant voltage of 3.65V until the current is less than 0.05I1(A), then rest 1 hour.