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will i damage my car electrical system with a 24v solar panel (reddthat.com)

submitted 4 months ago by batvin123@reddthat.com to c/askelectronics@discuss.tchncs.de

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I have a 3d printer in my car powered by a bluetti eb3a. The bluetti is charged by the 12v outlet in my car while driving. I have a 24v solar panel i want to mount to the roof of the car. My bluetti has only one dc 7909 input. So got a a Y splitter to combine power from the car and panel. But when plug it into the car outlet that turns off when i turn off the car, the solar panel turns on the stereo. Thats not the case with the outlets that are always on. I am worried that i will danage the car electrical system from a 24v solar panel flowing electricity back into the car?

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[–] Revan343@lemmy.ca 2 points 4 months ago (1 children)

I assume i wire the car power to the "DC power source" so when it disappears it switches to "battery power" aka solar power. And the load terminal is wired to the DC in port on my bluetti

Bingo

[–] batvin123@reddthat.com 2 points 4 months ago

Cool, Thank you.