Isolator stops battery drain
Cole Hersee Co.'s Smart Battery Isolator 48525 and 48530 can prevent draining of the starting battery by not connecting items to auxiliary battery power until the primary battery is charged to 13.2 volts. It works with any alternator, allows bi-directional charging from an alternator or other power chargers/converters, and is available in 85A and 200A versions.
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