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4S 12V Solar Battery

size: L165*W115*T72mm

Descriptions: 4S 12V 18Ah LiFePO4 Battery Pack For Solar light

12V Solar Battery For Led Light

26650/4S6P  12V/18Ah LiFePO4 Battery Pack 
Item Specification Remark
Nominal capacity 18Ah 0.2C discharge  Cell: 26650
Nominal voltage 12V 3.2V / 1Cell
Charging voltage 14.4V±0.05V 3.6V / 1Cell
Charging method CC/CV (Constant-current and -Voltage with Limited current
Standard charging time 3A/7hour5A/4hour Battery capacity÷charging current×1.5
charging current 9A0.5C 0 ~ +40
Maximum charging current 18A1C 0 ~ +40
Continuous discharge current 36A1C -20 ~ +60
Discharge cutoff voltage 9.2V 2.3V / 1Cell
Short circuit protection Exterior short circuit Automatic recovery 
Internal resistance 200mΩ  AC Impedance 1kHz
Cycle life ≥1000
Operating temperature Standard Charge 0 ~ +40
Standard Discharge -20 ~ +60
Outline dimension L165*W115*T72mm Length x wide x height
Protection  Circuit  Module:PCM-L04S20-291
Balance voltage
Balance current 
Maximal continuous charging current 20A
Maximal continuous Discharging current 20A
Over-charge detection voltage 3.90±0.025V single cell
Over-charge release voltage 3.80±0.05V single cell
Over-charge detection delay time 0.5S—1.5S single cell
Over-discharge detection voltage 2.30V±0.08V single cell
Over-discharge release Voltage 2.70±0.1V single cell
Over-discharge detection delay time 50mS—150mS single cell
Over-current  detection 50±5A can adjust
Over-current delay time 5ms—15ms


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