This 3.7V, 3500mAh 18650 Li-Ion rechargeable battery from Nitecore has been specifically designed for use in high-drain devices and features integrated overcharge and over-discharge protection circuitry, which reduces the risk of damage to the battery. Its positive terminal is a conventional 'button' configuration compatible with most devices.
Product Highlights
For High-Drain Electronics
Overcharge / Discharge Protection
PRECAUTIONS:
NEVER expose an 18650 battery to water or fire.
When charging or using batteries, ensure the positive and negative ends correspond with the positive and negative symbols. To extend battery life, it is recommended that a properly designed charger be charged every three months when unused for long periods. Keep out of the reach of children.