NEW Trolling Motor Battery Box Storage Power Center Boat Marine Terminal 12V One size fits both Group 24 and 27 BCI sizes 1 Year Warranty Our battery box has a user-friendly built-in battery meter that lights up at the touch of a button. Great for RV's, trailers, boats, just about anywhere you need auxiliary power. Battery status LED indicator  Indicates the battery voltage and if you need to recharge the battery.