Product Description
Item of Efan battery | Condition/Note | Specification |
21700-4000mAh battery | Nominal Capacity | 4000mAh |
Norminal Voltage | 3.7V | |
Standard charge | constant current | 0.2C |
constant voltage | 4.2V | |
end current(cut off) | 100mA | |
IMR battery fast charge | constant current | 1C |
constant voltage | 4.2V | |
end current(cut off) | 100mA | |
Standard discharge | constant current | 10A |
end voltage(cut off) | 2.5V | |
Fast discharge | end voltage(cut off) | 2.5v |
Maximum discharge Current | pulse current | 30A |
3.7V 18650 battery weight | approximate | 60 |
Operating temperature | charge | 0-45 °C |
discharge | -10-65 °C | |
Storage temperature | 1 month | -10-45 °C |
6 months | -10-35 °C | |
1 year | -10-30 °C |
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
