Klarus CH1 Li-ion Ni-MH Battery Charger w/ LED Function Indicator Power Bank For 18350 18500 18650 18700 14500 16340 17500 26650 Li-ion Battery(Without Battery) Compatible with multi-class rechargeable batteries Compact and lightweight, easy to carry Lithium battery pre-charge function Automatically identifies battery type and chooses the correct charging mode Advanced short-circuit , overcurrent,and overcharge protection , Self-locking protection function