Tender Junior charger is suitable for cars, motorcycles, ATVs, and other vehicles. It has a maintenance mode function, which is useful during long-term vehicle storage. Fully compatible with all 12V batteries – gel, AGM, lead-acid, etc. The charging program includes 4 different stages with varying current supply. This allows the battery to be charged safely without overcharging. After charging is complete, the device switches to maintenance mode. It features an indicator showing battery level and signals proper terminal connection.