Elephant K095 Custom Made Kayak Battery Box, Boat Waterproof Battery Case for Powering GPS, Fish Finders, Led Lights, Aerator Pump and More. Fits standard 12V-7AH Batteries with dimenssions of 5.9" x 2.6" x 3.7" Inches with male spade Terminals.(Battery not included) Waterproof Marine Grade IP68 4 pin Polarized connectors (25A), connectors are waterproof even when cap is off. Dual watertight marine grade Fuse holders with one 3 am and one 5 amp fuses included. Can be used to power GPS, Fish-finders ,LED lights, on Kayaks, Boats, rafts,sail boats,Catamarans and More Can fit through a 8" round Hatch or bigger.