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Author Topic: Best value solar panel  (Read 8322 times)
colinstone
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« Reply #30 on: August 06, 2008, 06:12:43 AM »

After much thought I eventually decided on 6 of Unisolar's PVL-68 stick on panels.  These are designed for mounting directly onto "roof pans" - as they call them in USA.  They have an integral adhesive and sealant , are only 4mm thick and can be walked on.  The panels themselves are thin film amorphous silicone and although not as efficient as cystalline varieties, which means a bigger area is required, they are better under cloud, when shaded, when not facing the optimum orientation and when in N European latitudes - and on a boat all those are important.  Over a year their total power output should exceed at least a 80w crystalline panel.  The panels will be stuck down on the wheelhouse roof.  Yet again UK prices seem a little OTT and I've imported them direct from USA from www.readymaderesources.com, who have been really helpful and seem to make several despatches to Europe.  The panels are controlled by a Morningstar Prostar 15 amp controller which has a full 4 stage charging system and takes both temp and voltage sensor inputs to really maximise the charging.
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