I've been using these lately after years of recommending Surepower,
which had a huge recall of their 100A units a few years ago.
Smaller size, same features.

https://shop.pkys.com/Victron-Energy-Cyrix-ct-1224V-120A-Intelligent-Battery-Combiner_p_6769.html

On 2/11/2019 3:01 PM, Dan N wrote:
> fyi.. if this help... I use this battery separator with a battery same
> as the main under the driver seat. Works very well for years now...
>
> https://www.waytekwire.com/item/80000/EATON-s-Sure-Power-1314A-Battery-Separator-/