battery charger

Hey There, I recently purchased one of the new Noco Genius 10 battery maintainer/charger. I have a hawk shell with a propane heater, fan and lights so not a ton of battery consumption. However, the truck and camper often sit for weeks at a time over the winter so I thought wiring up a battery...

Here is another 'hack' I have been working on, somewhat reminiscent of the DIY Lithium Battery. This time the goal is to get fully configurable bluetooth enabled battery to battery charging for $30. Cliff Notes: Add a 12V-24V boost DC-DC converter between the truck battery and the solar...