Ideal for small boat transom applications (boats that do not have battery compartments). Features easy access external battery terminals that allow trolling motor leads and charger leads to be connected without opening the box. Built-in battery meter displays current "state of charge." Includes two 12-volt accessory plugs, two manual reset 15-amp. circuit breakers for accessory plugs and 60-amp. for trolling motor. Fits group 24- and 27- size batteries.