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48V20Ah E-Bike Battery

size: L350*W150*T75mm

Descriptions: 48v li-ion battery pack for electric bike,downtube e bike battery pack

48V 20Ah E-Bike Battery

18650/13S9P  Li-polymer Battery Pack 48.1V/20Ah
Item Specification Remark
Nominal capacity 20Ah ICR18650-22F
Nominal voltage 48.1V 3.7V / 1Cell
Charging voltage 54.6V±0.05V 4.2V / 1Cell
Charging method CC/CV (Constant-current and -Voltage with Limited current
Standard charging time 3000mA/8hour5000mA/4.5hour Battery capacity÷charging current×1.5
charging current 10A0.5C 0 ~ +40
Maximum charging current 20A1C 0 ~ +40
Continuous discharge current 20A1C -20 ~ +60
Discharge cutoff voltage 31.2V 2.4V / 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 L350*W150*T75mm Length x wide x height
Pre-wired Red = Positive,Black = Negative 
Protection  Circuit  Module:PCM-L13S15-873
Maximal continuous charging current 5A
Maximal continuous Discharging current 15A
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 70±20A can adjust
Over-current delay time 5ms—20ms
18650/13S9P  Li-polymer Battery Pack 48.1V/20Ah

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