Solar info required.

Submitted: Saturday, Sep 16, 2017 at 17:26
ThreadID: 135600 Views:3269 Replies:5 FollowUps:9
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Howdy,
Just redoing the electrics in our camper and have a query that I can't find an answer to, any help would be great.

2X135AH deep cycle batteries fitted, Redarc 1240D BCDC charger just installed to camper.

Previously had 2x small cranking batteries on the camper, charged by Redarc 1225LV BCDC under bonnet of vehicle.

Used to plug 200W solar panels into 1225lv under bonnet and charge batteries that way while stationary.

My question is, if I am using a BCDC to actually charge the batteries, do I need 200W solar panels? Couldn't I just use a 50W solar panel to power the BCDC to charge the batteries?

I would like to get rid of the 200W panels as they take up a lot of room and are heavy.

BCDC requires minimum of 9V to operate, would 50W solar panels manage this or am I thinking off the planet?

Regards
Peter
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