Easy-to-access push-button controls and switches make these chargers user-friendly, even in low light. Display modes for charging rate and battery type. Highly portable with retractable handles. The Speedcharge 1000 is for marine, auto, RV, farm AGM, gel-cell and deep-cycle batteries. 10-amp fast charge, 6-amp medium charge and 2-amp slow charge. Includes 50-amp battery clamps for top- and side-mounted batteries.