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Hi, my car battery goes flat quite often, maybe due to dashcam, and I plan to have a 10-20w solar panel under the rear window. I don't want to plug unplug from the battery, and the starting current is probably high (3 liter diesel). Is there any solution for this?
Any of the Solar Charge Controllers would work for this but even the smallest one is way overkill for a 20W panel!
https://www.victronenergy.com/solar-charge-controllers
I've seen panels with integrated controllers specifically for this, plug into the lighter socket. Not sure when and it was a while ago. Worth trying, though.
Thank you for the answers. Do I need to unplug before I start the engine?
