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...
garym114's avatar
garym114
Explorer II
Aug 23, 2019
You are going to need a larger gauge wire from the TV battery to the TT converter.
The 12 gauge wire in the 7 way and probably the other wire in the trip is not large enough for even a 5 amp load.
See the voltage drop calculator at the bottom of this page.
http://www.powerstream.com/Wire_Size.htm

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