Originally Posted by
drivesafe
Hi Geedublya, unfortunately, you can not use a Lithium battery with a VSR isolator, mine or any other brand.
VSR isolators will not turn off because of the higher constant voltage of a lithium, and even if you keep the batteries connected, you will only be draw current from the lithium battery until it is down to around 20% SoC. Only ten will you be drawing off the cranking battery.
The only way to set up to use a lithium battery as an auxiliary battery is to disconnect the batteries when the motor is turned off.
In other words, an ignition switched type isolator.
Because you can not use the cranking battery while camping, a 120Ah Lithium battery only gives you a very small increase in capacity, and the weight saving is not much better either.
Same deal using the USI160 controller?
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