Package: Yes Use: Standard Battery Model Number: 42V 2A Display Screen: No Intelligent Charge: Yes Quick Charge: Yes Type: Electric Name: Charger Certification: CE 36V Charger Output 42V 2A Charger 4-Pin XLRM Connector for 36V 10S Electric Bike Lithium Battery Specifications: - and high quality, super strong protection - Input: 100-240VAC, 50/60Hz - Output: 42V 2A - Charge Indicator: Red light when charging, turns green when full - Security Protection: OVP, OCP, Overload Protection, Short-Circuit Protection - Color: Black - Power Max: 84W - Plug: EU / US / AU / UK (Please select your country's plug type. Item will be shipped according to your selection. if unsure.) Package Included: 1 x 42V 2A Charger 1 x Power Cable Charger Use and Maintenance: 1. When charging, first connect to the battery, then plug into AC power. After charging is complete, disconnect from AC power first, then unplug the battery. Unplugging the battery first during charging, especially under high current (red light), may damage the charger. 2. When the LED light turns green, continue charging for an additional 2–3 hours. 3. Do not fully discharge the battery before recharging. Charging after complete discharge may result in insufficient protection and potential battery damage. 4. For batteries used under shallow discharge conditions, perform a deep discharge approximately every 3 months. This helps activate inactive materials within the battery. Deep discharge refers to riding until the controller’s low-voltage protection activates. 5. Use the charger in a dry environment. 6. When not in use, disconnect the charger from the power supply. 7. Confirm compatibility with your battery. This charger is designed specifically for lithium batteries. Do not use with LiFePO4 batteries, as this may cause the charger to overheat.