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by kempbellt
1692 days ago
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It's also worth noting that many "12 volt" DC batteries do not store and output at exactly 12 volts. Depending on the tolerances of your board, you might want to throw a buck converter in the circuit and set the output voltage set to exactly 12 volts to account for any potential over-voltage coming from the battery/panel setup. They are pretty cheap if you want to DIY (7 for $10 on Amazon). Worth the peace of mind, imo. I imagine this is what most car-laptop chargers are, but with branded packaging. |
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