[speeder]

Originally Posted by craigster59

I bought this one for my travel trailer. After spending $$$$ on batteries that went dead, even with a cutoff switch. Has worked flawlessly keeping the batteries charged. Wished I had done it sooner!

https://www.amazon.com/gp/product/B07TNFPFZ8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Just ordered two of them, thanks, buddy!