Cable size for 2 x 100 watt panels? (1 Viewer)

Jul 6, 2009
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Hi all,

as we keep our van in our garage there is no gain fromthe roof solar. I have 2 x 100watt panels to put on the garage roof the cable run will be app 7 metres. The regulator will be in the van within 1 metre of the 2 x 100 Lithium. To reduce the voltage drop I thought 6mm cable would suffice but stand to be corrected. Iam currently running 1 x 100 but it is struggling to keep up at this time of the year.
 

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