Interstate Marine Batteries - ECL Professional

More Cycles, More Life.

Get more camping, more comfort and more fun with the Interstate^® ECL Professional battery. With more cycles and more life than the conventional flooded 12-volt marine/RV battery, the ECL Professional keeps your vehicle running 50% longer no matter where your adventures take you.

High-powered Value

The ECL Professional cycling performance approaches that of absorbed glass-mat (AGM) batteries, but at a fraction of the price. With 100 repetitive reserve capacity cycles¹, ECL Professional batteries offer you the best value for your money.