Advantages

1) Environmental friendly

2) High density of energy

3) Light weight

4) Low self-discharge

5) Low internal resistance

6) Longer storage life than NiMH battery

7) Long cycle life, chargeable up to 500 or 1000 times

8) No memory effect and rechargeable

9) High capacity, long work time and cycle lifespan

EB02 Battery pack LI-ION 18650  warnings

-Do not submerge the battery in the water.

-Do not mix fresh batteries with used batteries.

-Do not mix batteries with metal stuff together.

-Do not insert batteries with the (+) and (-) reversed.

-Do not use Efest batteries with defective E-cig mods.

-Do not disassemble, dispose in fire, heat or short circuit.

-Do not put the battery in a charger or equipment with wrong terminals connected.