All eBikes come with a charger, only purchase if you want an extra charger or need a replacement. Description: Not universal; USA plug, only applicable to specific models of VTUVIA. P lease select the charger model for your ebike model. MODEL: DPLC110V55Y INPUT: 110V-240V-2.0A MAX 50-60HZ OUTPUT: 54.6V--2.0A ( Gemini: 58.8V--2.0A ) Note: Before purchasing a charger, use a multimeter to test the battery voltage to determine if it's a battery or charger problem. All accessories are non-refundable and non-exchangeable. Serious Reminder: Please use the VTUVIA dedicated charger to charge, and do not use other products. Connection Order: "Bike First, Wall Last" This is the most important rule to prevent dangerous electrical arcs at the connector. Disconnection Order: "Wall First, Bike Last" When charging is complete (the charger light usually turns green), reverse the connection order.