Cable size for 2 x 100 watt panels?

[Bessy765]

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.

 

[Tombola]

6mm will be more than adequate.

here is a handy voltage drop calc. https://www.12voltplanet.co.uk/voltage-drop-calculator.html

 

[Gromett]

6mm is the sweet spot.

 

[Stealaway]

6mm is probably the biggest cable that will fit into the controller's connections.

 

[Bessy765]

Many thanks 6 mm it is