We're ready to ground our system, and I'm needing help figuring out if I ground the charge controller, the battery, or the panels?
Hi Kristina. Grounding is quite a diverse subject, and the answer may also be diverse, depending on the kit you're installing.
Victron's take on it is likely well covered in here: https://www.victronenergy.com/upload/documents/Wiring-Unlimited.pdf
For a simple dc ELV batt charger system, typically in one place, from the batt -ve terminal. You could ground the box of the cc to that same place, but many wouldn't bother.
Don't ground the wires from the panels, but you can ground the panel frames to anywhere handy to help with lightning protection.
Have a look through that link, and if specific queries arise, please ask again..
Additional resources still need to be added for this topic
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