Pedalman
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My panels are the rigid (under glass) type. Suppliers don’t like to state what you need so you can’t go back to them if it’s wrong. Power is very much specific to you though, and everyone is different. if you are driving around in the van you are charging the battery anyway.
If this is the fridge you are looking at 50 litre fridge it says it uses 1.4ah at 25 degrees ambient. Multiply that by 24 hours and I would work on it using 33.6 amps per day.
as you are okay at present i would start by adding a second battery then seeing if you need to add solar or not. It will all depend how long you are away, if you start off with battery’s fully charged (24+ hours on hook up) then topping up driving around you may last out. two battery’s are better than one big battery (lithium may be the exception) as they will recharge quicker and the discharge is split between them.
it all depends if it suits you to make a change then evaluate or if you need to be certain you have it done in one go.
Thanks for that info, I've learned a little as to how to work out power usage. I know it is pretty basic but I have always avoided all things electrical since I got a bad electric shock many years ago, things have to be "plug in and go" for me now
So yes I think I will get another battery first and see how it goes, my camper is also my everyday vehicle ( I would never go back to running a car) so the battery does get a regular charge up and a lot of the time the fridge isn't switched on.
Thanks again, very helpful.