Not necessary, unless you are going to leave the vehicle parked for 6 months at a time. The rest of your vehicle computers draw way more current than the Prodigy. I measured mine at 20 milli amps, that is .020 amps. Modern vehicles draw about a .5 amps, slightly less depending on options. A modern Cadillac battery won't last 30 days without recharging. As long as you drive the vehicle at least once per week, don't worry about it.
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LadyWindrider
2012 Ford F250 ext. Cab 4x4
2002 Jeep Wrangler Sahara
2008 Yamaha V-Star 650 Classic
2008 Work and Play 18LT
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