China 12.8V20ah 12V LiFePO4 Battery Pack Lead Acid Replacement Battery 20ah, Find details about China 12V Lithium Ion Battery Pack, Li Ion Battery 12V from 12.8V20ah 12V LiFePO4 Battery Pack Lead Acid Replacement Battery 20ah
UBETTER TECHNOLOGY | |||
18650/3S Li-ion Battery Pack 12.8V 20Ah / 26650 12.8V 4S 20Ah LFP battery | |||
Model:UB-L03S009-082 | |||
Item | Specification | Remark | |
Nominal capacity | 20Ah | 2770134 3.2V20Ah | |
Nominal voltage | 12.8V | 3.2V / 1Cell | |
Charging voltage | 12.6V±0.05V | 3.6V / 1Cell | |
Charging method | CC/CV | (Constant-current and -Voltage with Limited current | |
Standard charging time | 0.2C/5hour,0.5C/2hour | Battery capacity÷charging current×1.5 | |
charging current | 0.5C | 0 ~ +40ºC | |
Maximum charging current | 1C | 0 ~ +40ºC | |
Continuous discharge current | 1C | -20 ~ +60ºC | |
Discharge cutoff voltage | 10V | 2.5V / 1Cell | |
Short circuit protection | Exterior short circuit | Automatic recovery | |
Internal resistance | ≤160mΩ | AC Impedance 1kHz | |
Cycle life | ≥2000 | ||
Operating temperature | Standard Charge | 0 ~ +40ºC | |
Standard Discharge | -20 ~ +60ºC | ||
Outline dimension | L181*W170*T77mm | Length x wide x height | |
Protection Circuit Module:PCM-B03S10-188 | |||
Maximal continuous charging current | 20A | ||
Maximal continuous Discharging current | 20A | ||
Over-charge detection voltage | 3.9V ±0.025V | single cell | |
Over-charge release voltage | 3.8±0.05V | single cell | |
Over-charge detection delay time | 0.7S-1.3S | single cell | |
Over-discharge detection voltage | 2.V±0.062V | single cell | |
Over-discharge release Voltage | 2.5±0.10V | single cell | |
Over-discharge detection delay time | 89-167mS | single cell | |
Over-current detection | 100±5A | can adjust | |
Over-current delay time | 6.7ms-13.9ms |