Input: 100-240Vac; Output: 42V 5A. DC Connector Size: RCA 8mm plug with RCA 10mm Lotus tip. Energy efficient and stable 42V DC power supply for 36V 10S Li-ion battery pack. Short circuit protection/ over current protection/ over voltage protection. Red light -- charging, green light -- charge OK, it stop automatically when the battery is full. This AC-to-DC regulated switching power adapter converts 100-240VAC to 42VDC, at a maximum output of 5A (210W). PRODUCT SPECIFICATIONS: Input : 100~240V AC 50/60HZ Output : DC 42V 5A Charge Battery type: 36V 10S Li-ion battery DC Connector Size: RCA 8mm plug with RCA 10mm Lotus tip LED Display: Red:Charging Green: Charged fully Before your purchase, please check your original charger and make sure the OUTPUT and CONNECTOR size matches. PACKAGE INCLUDES: 1x Power Charger