Bait Boat Battery Tester For The Waverunner Bait Boats, 12 Volt, Digital, LED

12 Volt LED digital bait boat battery tester for the Waverunner bait boat Plugs directly onto the battery. This voltage reader is more accurate then most on the market as it tells you the exact voltage. Reading above 12.3v indicates battery is fully charged. Reading below 11.4v battery needs charging. Bright blue led light ideal for day and night fishing. Fitted with a tamiya female end (opposite to the battery).