Opus BT-C100 is a single port charger for Li-Ion, NiMh, and LiFePo4 batteries in any size, from 10440 (AAA size) to 32650. It also can be used as powerbank and has many other additional features. I receive this Opus BT-C100 charger from Gearbest for review purpose along with monster flashligh Convoy L6. Inside the box, […]