






SL-4820A 48v 20ah lithium ion battery pack
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
Feature:
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
Applications:
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
Project |
Characters |
Remarks |
Capacity |
Minimum 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 |
48V |
|
Max charging cut off voltage |
54.6V |
|
Min discharging cut off voltage |
39V |
|
Max constant charging current |
4A |
|
Max constant discharging current |
40A |
|
Working temperature range |
charing temperature 0~45℃ |
|
Storage temperature |
within one month -20~45℃ |
|
Weight |
6Kg |
|
Storage voltage |
48.0V -50.0V |
similar |
Environmental requirement |
meet RoHS standard |
|