Efest Slim K4 USB Charger Batteries 0A charging rate or four

0A charging rate or four batteries at once at a 2

and operate cell(s) within their capabilities as listed on each cell

or create short-circuit conditions

Eight Slot Battery Charger

and safety

Efest Slim K4 USB Charger Batteries 0A charging rate or fourEfest Slim K4 USB C Battery Charger can be used to charge electronic cigarette (e cigarette) external batteries of any size via a Type C USB charging port. You can charge up to four batteries for vapes in this charger and it keep you safe with its built in intelligent protection chip that includes smart functions such as: auto detect charging monitors and charges each slot independently low voltage smart activation recovery 0V activation recovery. It