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DC to DC charger Question

Jay58
Explorer
Explorer
Can someone explain the difference in isolated to non-isolated chargers

:h
2020 Jayco Precept 34G

Central Florida (East Coast)
4 REPLIES 4

theoldwizard1
Explorer
Explorer
I don't think you would even need a BIM225 !

pianotuna
Nomad II
Nomad II
Jay58,

Look at a Trik-l-Start. Ideal for chassis battery maintenance.

There are also relays that do not cut in until 13.5 volts is achieved.

I do have manual control of the charging solenoids for my house bank.
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

Jay58
Explorer
Explorer
So if I want to only charge the house I can seperate the chassis cable from the Bim225 and insert the positive to the chassis cable and pick up a ground from the house battery shunt?
Would it be possible to then hook an on off switch between bim chassis terminal and the positive and leave it in the off position till a boost would be needed?
I would instal a 120v battery maintainer on the chassis battery to prevent depleting it due to parasitic loads during camping.
2020 Jayco Precept 34G

Central Florida (East Coast)

Tom_Barb
Explorer
Explorer
The quick answer is
where the ground is located
isolated two comments are separate. Engine. chassis

Non- is both components are common, engine/chassis are grounded together

most common usage is two battery packs 1 in the truck 1 in the camper
2000 Newmar mountain aire 4081 DP, ISC/350 Allison 6 speed, Wrangler JL toad.