Crank the tunes and never worry about dead batteries again! The industries first 55 amp Plug & Play power supply system designed for your UTV will keep your audio and lights going forever, seriously. With this kit you can forget about dead batteries. Better yet, you can crank your stereo while charging your battery all at the same time. Simply plug into you Toy-hauler or wall outlet, and enjoy. This is a 3 stage automatic charge/supply system that monitors and adjusts voltage accordingly. 

Stage 1- 14.4volts
For amperage load of electronics (same as a stator or alternator)
Stage 2 - 12.6volts
To charge battery until full (12.6 is fully charged battery)
Stage 3 - 0 volts
Shuts off when battery is charged (will not over charge battery)