Efest K1 Slim Battery Charger is a professional portable one slot Li-ion Battery charger with a Micro USB charging port. Packed into a small body making it highly portable and yet has every function you would expect in a smart charger, from fast charging to reverse polarity protection. A quality charger for customers on the go, the EFEST Slim K1 will not let you down.
Convenient LED Indicator
1A fast charge
Accepts 3.6V or 3.7V batteries of various sizes
Reverse polarity protection
Short circuit protection
Micro USB to USB Connection makes this very portable
Compatible with: 20700,26650,18650,18500,18350,17340,16340,14500,10440,26500