12 Volt Battery Session 5: Battery Draw-Parasitic Drain

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Duration: 4:04

It’s important to understand what components are not only powered by the house batteries, but what components draw from them even if the unit is off. Most RVs today have a battery disconnect which should shut everything off, however some components such as the LP Leak Detector and CO Detector are often times connected directly to the battery and will drain the house batteries in a couple weeks.