Wholesale Trustfire 2 bay 18650 battery charger trustfire Tr-007 portable charger with usb car charger
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TR-007 Intelligent Rapid Charger 1.TR-007 charger is nonlinear constant current and constant voltage PWM intelligent rapid charger. 2.TR-007 charger can make the battery keep stable charging current in a certain voltage range.it is big current style charger,it will stop charging itself when fully charged. 3.The charger has three modes (H is big charging current, L is a small charging current, O for USB charged external mobile equipment) change-over switch,it can change the switch function as needed.