Bep marine calls their device a vsr.
Bep digital voltage sensitive relay wiring diagram.
Now thanks to bep s unique vsr voltage sensitive relay boat owners can enjoy the benefits of fully charged engine starting batteries and deep cycle house batteries with one easy to install charging system.
Digital voltage sensing relay dvsr 12 24v 710 140a the digital voltage sensing relay dvsr allows the charging of a second battery bank from any single charging source.
I would definitely use a voltage sensitive relay system over an isolator in your application.
Blue seas call the device an acr.
How a vsr voltage sensitive relay works energy unlimited bf451 ce sgs and iso certified boat wiring easy to install ezacdc electrics glossaries search automatic charging dual battery battek 12v 140a single sense smart bep diagram another dvsr cer question the hull how a vsr voltage sensitive relay works energy unlimited voltage sensitive relay bf451 voltage sensitive relay read more.
When the voltage on the charged bank rises sufficiently the dvsr engages allowing the 2nd battery bank to charge.
Could you be kind enough to send me a wiring diagram so i can correctly connect the vsr relay and guest switch for the 2011 e tech 90 engine.
This video shows what a voltage sensitive relay or vsr is and how to install one in a dual battery setup to make sure both batteries get charged but only one.