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skydog avatar image
skydog asked

Cable size for 250/100 mppt

Hi all,

I'm installing a 250/100 mppt to 2 x 3000 pylontech batteries. What size cables should I be using.

Thanks for your help

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2 Answers
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

There are so many questions about wire sizing, please use the search function.

The needed cross section is calculated with the wire length, the current and voltage.

With Google you can also find many calculators for that.

The datasheet tells you the max. that fit into the terminals.

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Duivert NL avatar image
Duivert NL answered ·

Also take a look at:

https://www.victronenergy.com/upload/documents/The_Wiring_Unlimited_book/43562-Wiring_Unlimited-pdf-en.pdf

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