Basic 2-bay battery charger for everyday carry & backup use • Wide compability for Li-ion, NiMH & NiCD batteries • Available for protected 21700 batteries • 2A/1A/0.5A charging current can be selected manually • USB-C port, charge everywhere • Two slots charging independently • 0V activation function revives your over-discharged batteries • TC-CC-CV smart charging method • Multiple protections for over-charge, over-discharge, short circuit etc. • LED indicators for real charging status and anti-reverse