1-20PCS New Original 3.7v 18650 25D 2500mAh Lithium Rechargeable

(1) the factory power of the battery will not be higher than 30%, so the use of electricity is very low need to charge and then use, about the charger please choose the corresponding parameters of the lithium battery charger, do not use any other charger, such as nickel metal hydride, nickel cadmium and other rechargeable batteries.

(2) When using the battery pack, please pay attention to the consistency of the battery pack (mainly voltage and internal resistance). Do not use the old and new batteries, and batteries with inconsistent voltage and internal resistance, which will only accelerate the end of the life of the lithium battery. We ship the same lot without regard to consistency.

(3) Lithium battery should be used with protection plate, do not over charge. Do not use the protective plate of 18650 lithium battery remember not to use up the electricity, some people in the use of strong flashlight without protective plate, resulting in damage to the battery, unable to charge, voltage is too low (below 1V) battery or no voltage battery do not use again, remember the battery storage do not have no electricity storage, To ensure that the battery power is more than 30% can be vacant for a long time.