Solar Panel Query --- advice needed ...

Submitted: Saturday, Jul 04, 2009 at 00:39
ThreadID: 70379 Views:5136 Replies:8 FollowUps:25
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I have recently purchased, through eBay, a monocrystalline 80watt solar panel.
This panel has 36 cells.

When it arrived I found that it was sticker-marked 100 watts.

Subsequent inwestigations have revealed that there have been some other instances of 'incorrect labelling' by this mob,
not always to the customers benefit! I was initially happy that I had received "a better deal" - BUT ?

Thusly, my question/s is/are :

Is there any way that I can confirm if this is either 80w or 100w?
Or calculate it ???

Is there any way to measure the actual 'output ampage ?'

ie: do I connect it, via the regulator (non-digital) to my battery and measure with my trusty metery thingo?
AND:
should that battery be already discharged to a certain level ?

I have used the panel on a recent prospecting trip to maintain my second auxilliary battery, driving a 40l Engels,
which it did successfully.

I am happy with the panel overall - just wanting to make sure what I have.
Some " advisers" have implied that it may not even be an 80watt panel, ITHO it may be only 50 watts.

Any advice would be much appreciated .................

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