BEP Marine 300A VSR for dual batteries

esh

Explorer
I am using these with a dual voltage digital gauge as my dual battery system. These things are beefy and have the flexibility of the high end systems. The circuit waits until your primary battery is at 13.7V and then allows the Aux to charge. The 300A relays have both a built-in switch to the body and wiring for a remote switch for On(combined)/Off(isolated)/Auto(intelligent isolation). They are rated for 1250A cranking and 300A continuous use, quite a lot more than what you find in isolators on the market

They are also a great price on Ebay.. this one is $135-

http://cgi.ebay.com/ebaymotors/BEP-...4299864QQptZBoatQ5fPartsQ5fAccessoriesQ5fGear

Search for "BEP Marine" for other products. They have a smaller amp VSR that doesn't have the built-in switch.
 

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