Increasing solar panel or adding battery? Which would work better?

Submitted: Saturday, Sep 16, 2017 at 12:26
ThreadID: 135599 Views:9610 Replies:7 FollowUps:11
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Hi,
I have just purchased a Jayco outback pop top caravan (17.58-3) with a 150 watt solar panel running through a TPS 1230 regulator into a 100 AH battery.

I also have a folding solar panel of which from memory is 180 watt.

What would be a better option, running the extra solar panels through the TPS 1230 giving roughly 330watts or using the existing 150 watt panel and adding a second 100 AH battery.

Primarily concerned with being able to bush camp longer and not stressing about taking the generator, we will be running the fridge on gas, lights are LED, TV is 12 v, the only other draw is a VPAP machine which will run through an inverter for the time being. The VPAP runs at 24v at 3.75 amps, we will be running the machine through a 12v to 24v converter later on. (See thread 135519)
I hope this makes sense, increase solar or battery or both?

William
Always planning the next trip. VKS-737 mobile 1619

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