Alternator Protection Module - 48VThe Balmar APM provides best-in-class surge protection using the latest technology developed for the automotive industry. Protect Alternators From Damaging Effects: Battery switch disconnects; Lithium battery BMS disconnects; Surges from solenoids, combiners, starters, and other motors.; The Balmar APM excels in both short-duration and longer-duration spikes, where other products fail.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -