Essential - Universal 3.7V Travel Battery Charger

If you need an ultra simple charger for single cells this is a great option with integrated charging wall outlet plug. Variable from 500mAh - 1A based on auto detecting the cell inverted for proper C level current charging. Never charge unprotected batteries unattended. Also proper procedure for charging is to place the battery in the spring loaded charging dock before plugging it in. Works specifically with 18650, 18350, 16340, 14500, and 14000 batteries. Legal Note : Dont ever use standard AAA/AA/C/D cells or unverified or certified cells with this charger! Always charge in a safe dry location between 40F-90F. Dont leave the charger unattended & always use responsibly! Please Note : Doesn't support 21700 Cells or above in size   Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death Only use in a device which as a smart BMS built in Note the length of the cell to ensure it will work in your application as well If your flashlight were the only device into which a buyer might attempt to insert the battery, there’d be no issue. However, since it is a great battery, others may buy it for other purposes. They need to be warned of its limitations. BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED ONLY use with proper protection circuitry ONLY use within manufacturer specification DO NOT store loose in pocket, purse, etc. – always use a protective case KEEP AWAY from metal objects to prevent short circuiting DO NOT short circuit DO NOT use if wrapper or insulator is damaged or torn DO NOT use if damaged in any way DO NOT overcharge or over-discharge DO NOT modify, disassemble, puncture, cut, crush, or incinerate DO NOT expose to liquids or high temperatures DO NOT solder User must be familiar with handling lithium ion batteries before purchase Usage of batteries is AT YOUR OWN RISK