Description: 【large screen】: Automatic Battery Charger equipped with a large screen, displaying various values clearly and at a glance, making it more efficient to use. 【Multiple protections】: overcharge protection, temperature protection, overvoltage protection, reversing connection protection, overvoltage protection, short circuit protection, overcurrent protection, over discharge protection, equipped with a cooling fan. 【Smart chip】: Car Battery Charger can Automatically adjust, repair, and detect batteries based on their condition. The charging clip design is more convenient. Automatically adjust the charging voltages during winter and summer. 【Multiple modes】: Battery Maintainer has Four modes are available for selection. You can choose the mode that suits you according to your usage situation. More in line with your usage needs. Suitable for motorcycles, cars, RVs, commercial vehicles, engineering vehicles, pickup trucks, etc 【Portable design】: The back cable storage design of Battery Maintainer is simpler, the handle design is easy to carry, the angle can be adjusted, and it is more labor saving to use. Specification: Input Voltages: 110V Rated Output: 12V 20A, 24V 10A Minimum Starting Voltages: 5.0V Battery Range: 6-300Ah Efficiency: Approximately 85% Rated Power: 300W Size Chart: 190mmx95mmx125mm/7.48inchx3.74inchx4.92inch Package Includes: 1 Power Cord (US Adapter) 2 Clips 1 Charger Note: Please allow slightly errors due to manual measurement and different monitors.