Isolater question

[Metalfan038]

I have 2 runs 1/0 ga from battery under hood going to my extra battery. Im gonna run an isolator when i upgrade to lithium in the next coupke weeks. My question is will i need to run 2 isolators? One on each wire? Or is it possible to just run both wires through the one isolator? Thanks in advance this extra battery stuff is all new to me

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[Doxquzme Premium Member]

Just combine the charging (+) runs in and out of the isoater. Make sure that the isolater is rated for the value of the combined load.

 

[audiobaun 5,000+ posts]

I have 2 runs 1/0 ga from battery under hood going to my extra battery. Im gonna run an isolator when i upgrade to lithium in the next coupke weeks. My question is will i need to run 2 isolators? One on each wire? Or is it possible to just run both wires through the one isolator? Thanks in advance this extra battery stuff is all new to me

You can run both connections on One Isolator. I did one for my brothers Off Grid Van with 1 Duracell AGM 34/78 under the hood(starting battery) and 3 Duracell AGM 34/78 in the rear (for solar and a Sinewave 2500 watt Invertor)off a 300 Amp Isolator as pictured below. No issues for the last 1.50 years. It works excellent. It wouldnt hurt to go up to even a 500 amp for the money? if you want to run an Isolator.

Dual Sensing Smart Battery Isolator 300 Amp Automatic – The Inverter Store

300A. Safe way to charge your auxiliary battery while driving• No need to tie to ignition, save installation time. •Ability to use an external charging device to charge main bat through aux bat

theinverterstore.com

Stinger makes some of the best products within the Market of my experiencing. Another to consider

Amazon product ASIN B004WDPZEWI feel like a smart Isolator is really the way to go