Forum Discussion

cruz-in's avatar
cruz-in
Explorer
Aug 23, 2019

Isolating TT's Lithium from TV's Lead Acid Batteries

Hi Team, I am installing Lithium batteries on our TT. To provide isolation between TT's Lithium and TV's Lead Acid batteries, I plan to install a Renogy DC-to-DC converter. It is kind of neat. Has...
grizzzman's avatar
grizzzman
Explorer
Aug 24, 2019
I have the 40 amp DC to DC charger. With 20 foot of 4 awg copper wire
I still see a bit of a voltage drop. To get 40 amps out it takes 50 amps from the truck. I would advise at least 6 awg from the tow rig to the trailer. Here is my post on it

What type lfp? How are you going to shut off the charger when the bank is full?

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