Solar panels: Are cheap ones cheerful?

wully1

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The hundred quid one. I couldn't see much difference and a tenner is a tenner. Now I plan to find something for the coachroof (685 x 521mm) and I may go for a rigid one there.

I've got a brand new 80 watt panel in a box in the garage that I'm not going to fit, PM me if your interested. I'll put a tape over it for dimensions.
 

JumbleDuck

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The hundred quid one. I couldn't see much difference and a tenner is a tenner. Now I plan to find something for the coachroof (685 x 521mm) and I may go for a rigid one there.

The panel arrived yesterday, which is respectably rapid service. It's a fairly lightweight affair, with just a thin plastic layer above the PV cells and not, as in my existing and knackered panel, a grippy layer. That said, it looks fairly well made with a nice heavy cable and plenty of sealant round the junction box. I have no idea about the performance, but for hatch garage mounting it looks fine. Reminders: it's this one

http://www.ebay.co.uk/itm/50w-12v-S...l-with-5-Metres-Two-Core-Cable-/281288562782?

The only 40W flexible panels I can find which will fit my coachroof are, oddly enough, only available in pairs so I'm going to try a 50W rigid one:

http://www.ebay.co.uk/itm/50W-12V-d...20952278433?pt=UK_Gadgets&hash=item1c29514da1

which is very slightly longer than I wanted but which I think will fit OK. If not it goes on the shed roof and I move on to plan C. If it does fit it will be interesting to see how the output of the two 50W panels compares over a season - I am trying to find a couple of cheap amp-hour meters to keep tabs on that.
 
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