SL-4820A 48v 20ah lithium ion battery pack

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Categories: Industrial battery packIn Stock

Safety performance:  

1.Over-charge test: no fire,no explosion
2.Over-discharge test:no fire,no explosion
3.Short circuit test:no fire,no explosion
4.Drop test:no fire,no explosion
5.Crush test:no fire,no explosion
6.Needle puncture test:no fire,no explosion


1.Long life, large capacity and good shock resistance
2.Low self-discharge and good discharge performance at low temperature
3.Strong charging acceptance and quick-charging capability
4.Strong over-discharge resistance and charge retention
5.Maintenance-free and no acid or water for maintenance in usage
6.Excellent large current discharge performance, and have obvious advantages in startup and climbing
7. High temperature performance
8. Environmental friendly 9. Lighter weight smaller size
10.Most safe no explosion no fire


1.Emergency power supply, LED light & flashlight: 
2.headlamp, emergency light, solar flashlight, searchlight, lantern, bicycle light, bright flashlight, high-end lamp, military flashlight and so on.
3.Home appliance products:  electric vacuum cleaner, eletric sweeper, water meter, gas meter, electrinc children toys, electric warm shoes, electric blancket. 
4.Consumer applications, communicate & telephone equipment: 
5.MPS, tablet PC, laptop, Bluetooth earphone, power bank, portable DVD player, speaker, microphone, sound equipment, audio, digital camera .
6.Outdoor sports products: camping light, mountain bike light, solar emergency light, self-defenseflashlight .
7.Electronical tools & electric transportation vehicles:  electric bike, electric car. e-scooter, electric motor and all that. Solar lawm, remote control





Minimum 20Ah
Typical 20Ah

0.2C constant charge until 54.6V,then 54.6V constant charge until charging current ≤0.2A,0.2C discharge until capacity at 39V

Working voltage



Max charging cut off voltage



Min discharging cut off voltage



Max constant charging current



Max constant discharging current



Working temperature range

charing temperature  0~45℃
discharge temperature –20~60℃


Storage temperature

within one month -20~45℃
within 6months -20~35℃





Storage voltage

48.0V -50.0V


Environmental requirement

meet RoHS standard


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