Specifications:Charging battery type: Li-ion Material: Plastic and Metal Color: Black Charger size: 117 x 52 x 33mm(L*W*H) Input voltage: AC100-240V Input voltage range(V): 50/60Hz Output voltage(V): DC 42V 2000mA Output terminal: DC socket, 5.5/2.1mm Polarity: Inside: '+', Outside: '-' Features: 100% brand new and high quality High security, retardant. More energy, lower standby power consumption. Longer life, widely used in Electronic products,digital products,optical products and other products. Package included: 1x Power Adapter Battery Charger Input: 100-240VAC,50/60Hz,1.5A,Output: 42V 2A Power Max: 84WOutput interface:DC interface(outside diameter of 5.5 mm; inner diameter of 2.1 mm)42V 2A, Red light means charging, green light means charge full or disconnectFour Protection design: 1,Short circuit protection; 2,Battery polarity error protection; 3, Over current protection; 4,Over voltage protectionBrand New Replacement Product, works as genuine parts, 100% OEM Compatible! US Power cord included

42V 2A charger for electric bike ebike 36V li-ion battery