Forum Discussion

rickst29's avatar
rickst29
Explorer
Apr 18, 2016

Charge Batteries from Tow Vehicle, using a Solar Controller.

This modification occurs in both the Tow Vehicle AND the Trailer. A Solar controller is required (with or without existing Panels). In the Tow Vehicle (hereafter "TV"), a set of switch-Controlled R...
rickst29's avatar
rickst29
Explorer
Apr 18, 2016
Bob B wrote:
How much current will the 24V boost device provide?

The one I used is limited to 12A (24V), while drawing around 25A on the "12V" side. More expensive models can go a lot higher. I've only got 2*90Ah batteries, and my MPPT is limited 20A output - so this "little one" is a nearly perfect fit.

About DIY Maintenance

RV projects you can tackle on your own with a few friendly pointers.4,377 PostsLatest Activity: Jul 17, 2025