The advantage of 18650 Li-ion cell 

1. Extremely safe and stable chemistry.

2. up to 700 times long life-cycle

3. Low self-discharge rate, less than 2% monthly.

4. No memory effects and highly efficient charge.

5. Environment friendly.

The application of 18650 Li-ion cell 

battery pack, portable electronics, solar lights, LED flashlights, emergency lights, portable devices, power banks, headlights, toys, remote controls, electric bikes, e-scooter, etc.