Wednesday, Mar 04, 2015 at 00:52
Hi Dave,
Thank you for your comment. Happy to help if I can.
I like your dream!
The Waeco 60 litre is a good choice if you have room for it. Any bigger than that and the Waecos use a bigger hungrier compressor. Engel seem to use a bit less power, but they are pretty expensive to buy. The bigger Engels also use more power.
Personally I don’t think I’d buy a battery from Waeco though. I think the Waeco boxes are only 36 Ah, which isn’t a lot. I think you’ll get a lot more storage for your dollar by simply buying a 100 Ah deep cycle battery, or maybe 2 of them.
Don’t know where you are, but I’m guessing
Pilbara? Lots of sunshine during the dry, but for a couple of weeks without running the Troopy, would you have enough to keep the beer cool when you want to get away at other times of the year? I don’t know. I reckon I’d start with a 100 Ah battery (or a bit bigger if you can lay hands on a 120Ah or more at a sensible price). For solar, if you can aim a panel at the sun for say 5 hours a day, a 120W one with an MPPT controller should be good. A dc-dc charger mightn’t help much because you are sitting stationary, but would certainly be very useful if you have to run the Troopy just to charge the battery. ( I wouldn’t use one with the little Waeco battery – it would kill it.)
Our Troopy has 2 x 100Ah batteries, a 30 amp dc-dc charger and 150W of solar. The dc-dc charger does most of the charging as we are usually moving most days. Your situation is different so you will probably rely mainly on solar, and a dc-dc might be less useful.
I reckon you’ll need a Voltage Sensitive Relay to control alternator charging (the ABR Sidewinder one with the link in the article is a good value one. ) You will need a battery or 2 – If you are in the east, Battery Value in
Brisbane is good and very helpful. There’s a link in the article to their site too. ( Theirs is the MPPT controller I suggested. ) Solar panels – I used ebay and have been happy with the results. There are some rogues selling panels, so suggest before you buy ask for comment on the
forum. I think your budget is probably about right, and you should be pretty pleased with the result.
Cheers
John
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