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For questions related to charging batteries. Please specify the battery type in the text.

4 votes
4 answers
1k views

Can I float an SLA 12v battery at 13.8V forever?

I am considering a battery-backup power source for a radio. Typically, power would be supplied through a standard 13.8V power supply, so the battery would be available if mains power goes out: AC -> 1 …
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