... ) change-over switch, it can change the switch function as needed. (1).When the switch position is ... from damaging because of battery inversion.8. The charger can charge 16340, 18350, 14500, 14650, 17670, 18500, 18650, ... into the charger's USB socket,so it can charge mobile devices through the data cable. Note: ... used as a mobile power supply, forbidding to charge the battery in the slot at the same time ...