7-stage charge smart battery charge device is suitable for most battery types including Calcium, Gel, , LiFePo4, Wet, etc. Built-in multiple protection and help restore drained and sulphated batteries, so that prolong ther serive life of batteries. Fully automatic battery charge device effectively protects your battery from being overcharged. 7-stage charge device is suitable for most battery types including Calcium, Gel, , LiFePo4, Wet, etc. Built-in short circuit protection, over voltage prootection, over temperature protection, reverse connection protection, for using. Intelligent digital display, you can see the electricity, current, temperature, and charge process clearly. It can help restore drained and sulphated batteries, so that prolong the serive life of batteries. Compact and , easy to carry. The outer is made of ABS material, insulation, retardant and high temperature resistant. THE INPUT VOLTAGE: AC110V AC, 50-60Hz POWER:AC200W THE OUTPUT CURRENT:12V:3A 5A 8A 24V:2A 3A 4A