*USB Type-C port
*Compatible with 3.6/3.7V Li-ion and 1.2V Ni-MH batteries
*Can charge protected 21700 batteries
*QC3.0 fast charge, max 3A for a single slot
*Control charging current by yourself (0.25A to 3A)
*Battery real capacity test and storage function
*Revive most of over-discharged batteries
*Safe charging with multiple protections
