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 Solar battery charger

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elliec

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PostSubject: Solar battery charger   Thu Nov 01, 2012 10:55 am

Hi
I've just found a solar battery maintainer on a 'green' website. This is the description

'DZ Energy's 170mA solar battery charger is a 2.6W solar powered car battery maintainer that will trickle charge a 12V car battery, keeping it topped up. It's weatherproof, and ideal for cars, small boats, tractors and other vehicles'

Any idea if its a good gadget? - just thinking about those campsites & festivals that don't have hook up

I know the chances of enough sunshine sunny could make it useless but .......

Ellie x
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Scooby

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PostSubject: Re: Solar battery charger   Thu Nov 01, 2012 12:57 pm

Our understanding of such items is that it is very much a 'trickle charge' offering no real 'charging' capacity.
Just make sure your leisure battery is fully charged and with careful use it should last at least 2 or 3 days (lights etc.)
This has certainly been the case in our experience, but be careful about fridge use after a day!
We only really use the fridge when we have a hook up.
Hope this helps.

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Sunny

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PostSubject: Re: Solar battery charger   Thu Nov 01, 2012 1:33 pm

Save your money. They are only any good to stop a battery that's not being used from going totally flat.

With an output of 170mA, assuming 100% efficiency (which they're not Smile ) it's going to take you about 6.5 hrs of full sunshine to charge a leisure battery of 110Ah 1% . (Think the maths is something like 1.1/.17). Not a lot of good Smile
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kiteman

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PostSubject: Re: Solar battery charger   Thu Nov 01, 2012 1:34 pm

This has been covered before.

Solar Battery Chargers

They are rubbish for charging batteries and have no where near enough power. You will need a cell the size of the roof to do any good. They are only good to keep a small charge in the battery to stop it draining completely.

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elliec

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PostSubject: Re: Solar battery charger   Thu Nov 01, 2012 3:16 pm

Thanks for the replies - you've kind of confirmed what i thought but I just wanted to check.
Ellie x
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Dickymint1972

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PostSubject: Re: Solar battery charger   Mon Jun 03, 2013 9:47 pm

Hmmm... Just bought one of these in the Kombi Sleepover auction!
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