— For XTAR official retail only. Upgrade version of XTAR VC4S charger.

· 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 the over-discharged batteries
· Safe charging with multiple protections