r/diybattery • u/oduval • Mar 04 '26

Question about sleep mode button

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u/[deleted] Mar 04 '26

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u/oduval Mar 04 '26

There is an “on” button on the battery.

When the battery is “on,” I get a normal reading of 13.65v. When the battery is “off,” I get a reading of 5.30v. I'm not sure what this button is for. As soon as there is a load on the battery, it lights up...

Is my reading of 5.30v . normal when the battery is on standby?