Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery supplier,Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery manufacturers,best Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery

Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery

For Custom Battery Packs for E-bike, E-motorbike,Rickshaw, Yacht, UPS System, Energy storage system, Mobile Tower Station, etc

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Item	General Parameter	Remark
Battery Model	SPF48V20Ah
Nominal Voltage	51.2V
Rated Capacity	20.0Ah
Internal Resistance (mΩ)	≤100mΩ	1KHz，AC
Size	LWH 275155115mm(10.836.104.52")	Does not include handle
Approx. Weight	8.5 Kg
Battery gauge	LCD
Type	lifepo4 battery cell
Housing material	Iron
Discharge Cutoff Voltage	2.2V/Cell(≥35.2V)
Charge Cutoff Voltage	3.65V/Cell（≤58.4V）
Maximum Charge Current	9A@20℃
Maximum Continuous Discharge Current	18A@20℃	Recommended:14A
Constant current	0.5C
Cut-off voltage	40V
Charge temperature	0～45℃	60±25%R.H. 23 ± 5°C recommended
Discharge temperature	-20～60℃（cell surface temperature≤80℃）	60±25%R.H. 23 ± 5°C recommended
Storage Temperature Range	Less than 1 year : 0～25℃(SOC≥50%) Less than 3 months:-5～35℃(SOC≥50%)	60±25%R.H. at the shipment state
Life Expectation	Higher than 80% .of the Initial Capacity of the battery	1）Charge:CC@0.5C to 73V, then CV till current to 0.05C 2）Rest: 30min. 3）Discharge: 0.5C to 50V Temperature:20±5℃ Carry out 1200cycles
Standard charge	0.5C constant current (CC) charge to 73Vthen constant voltage (CV) 73V charge till charge current decline to ≤0.05C	Charge time : Approx 3h

Item		Parameter
Voltage	Charging voltage	DC:3.65V/cell
Voltage	Balancing voltage	3.5±0.05V
Current	Balancing current	25-35mA
	Self-consume current	≤100μA
	Max. continuous charging current	15A
	Max. continuous discharging current	30A
Over-charging protection	Over-charging voltage	3.75±0.05V/cell
	Over-Charge delay time	500~1500mS
	Over-charging release voltage	3.55±0.05V/cell
Over-discharging protection	Over-discharging voltage	2.2±0.1V/cell
	Over-discharging delay time	500~1500mS
	Over-discharging release voltage	2.5±0.01V/cell
Over-current protection	Over-current（Discharge）	100±20A
	Over-current delay time	500~1500ms
	Release condition	Remove load
Short circuit protection	Function condition	External short circuit
	Short circuit delay time	200~300us
	Release condition	Remove load
Impedance	Protection circuitry (MOSFET)	≤20mΩ

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