Best Stand Alone Charger?

Hello All,

I just upgraded the single 12 volt battery on my hybrid travel trailer to dual US Battery 6 volts. I purchased a Boondocker "smart" converter/charger to install into the original Elixir 45 amp panel that is in the trailer. So I believe I have handled the "smart" charging needs of the new batteries, when they are installed on the trailer, and when plugged into shore power or when using my generator.

My trailer is not stored in a location where I am comfortable leaving the batteries on the tongue. In the future, I will design, and build a locking system. But for now, I am removing them when I am not using the trailer, and storing them in my garage.

So here is my question.....

I am in need of a reasonably priced charger that will both charge, and maintain the 6 volt batteries while they are in storage. I would like to find something that kind of does its own thing, and doesn't require constant monitoring. It would also be nice if I could use the charger for my other vehicle batteries. So what would you guys recommend?

I have looked at the NOCO genius G3500, the Deltran Battery Tender Plus, and the Schumacher Speed Charge.

Any reviews of the aforementioned chargers or suggestions on something else would be great.

Thanks,

Jeff