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14S 51.8V electric bicycle battery

size: L270*W100*T68mm

Descriptions: 51.8V 8.8AH For electric bicycle battery

14S 51.8V electric bicycle battery

18650/14S4P  Li-ion Battery Pack 51.8V/8.8Ah
Item Specification Remark
Nominal capacity 8.8Ah SAMSUNG  Cell: 18650-22P
Nominal voltage 51.8V 3.7V / 1Cell
Charging voltage 58.8V±0.05V 4.2V / 1Cell
Charging method CC/CV (Constant-current and -Voltage with Limited current
Standard charging time 3A/3.5hour5A/2hour Battery capacity÷charging current×1.5
charging current 2A 0 ~ +40
Maximum charging current 5A 0 ~ +40
Continuous discharge current 30A -20 ~ +60
Discharge cutoff voltage 35V 2.5V / 1Cell
Short circuit protection Exterior short circuit Automatic recovery 
Internal resistance 200mΩ  AC Impedance 1kHz
Cycle life ≥500
Operating temperature Standard Charge 0 ~ +40
Standard Discharge -20 ~ +60
Outline dimension L270*W100*T68mm Length x wide x height
Protection  Circuit  Module:PCM-L16S25-529
Balance voltage for single cell 4.2±0.025V single cell
Balance current for single cell 84±5mA single cell
Maximal continuous charging current 10A
Maximal continuous Discharging current 30A
Over-charge detection voltage 4.25±0.025V single cell
Over-charge release voltage 4.05±0.05V single cell
Over-charge detection delay time 0.5S—2S single cell
Over-discharge detection voltage 2.50±0.062V single cell
Over-discharge release Voltage 3.0±0.10V single cell
Over-discharge detection delay time 10mS—300mS single cell
Over-current  detection 100±20A can adjust
Over-current delay time 5ms—20ms


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