Easily installed package Senses when alternator output indicats the crank battery is charged Isolates troll and crank batteries for use when motor is turned off Housed in an easily installed 2" x 3" x 1-1/2" package, this XPS® 12V Phase Charger senses when the alternator output indicates that the crank battery is charged, then an internal 4-amp relay connects the troll and crank batteries in parallel so that the troll battery is charged while the motor is running. When the motor is turned off, and the alternator output is no longer present, the parallel circuit is opened and the troll and crank batteries are isolated for use. All operations are automatic after installation.This is for 12V systems only.Note: This charger must be used for boats with an electric start. Two cables hook to the alternator and two to the battery that needs charging. Charging occurs while the motor is running, indicated by a red light.
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