GORV - Digital Magazine Issue #32 | Page 49

RV FEATURE POWERING OUR CARAVAN It’s 1am and suddenly you’re woken by an alarm in your caravan. Groggily, you search for the source of the alarm and realise it’s coming from your battery management system. It’s telling you that your battery voltage is low, yet the meter still reads them at 68 per cent. How can that be? The batteries were almost full when you went to sleep a few hours ago! You fumble around, half asleep, trying to determine what caused this to happen and how to shut it off. Then… blackness. Your entire van goes dark. Your power source shuts off. No fridge. No lights. Given that you’re in a donation camp, with no power and strict rules about generators, what do you do? When we decided on our caravan setup for our travels, one of our stipulations due to travelling with kids was to have a battery system that would allow us to run the microwave when we were free-camping (not plugged into a power source) as hungry little bellies don’t like to wait for their dinner, and we knew that would ease some of the evening rush that can sometimes take away from the enjoyment of that sunset or campfire. We debated the cost of lithium batteries along with their benefits for ages before we made the decision to go with three 100Ah batteries. Wanting to mostly free-camp, we had two 200W solar panels put on the roof of our caravan and also purchased a further 400W worth of portable solar blankets which we felt would be more than enough. Basically, our decision came down to wanting to know we could run those few ‘convenient’ appliances like the microwave and kettle straight from the batteries, regardless of where we pulled up to camp. The reduced weight and longer life span (and charge hold) of the lithium over the lead-acid option was just icing on the cake for us. / 49