A: GPIO5 control shutdown, GPIO12 BOOK OK.
Q9:Are the batteries on X728 hot-swappable? In other words, can I connect an external power supply and swap the batteries out while that is on?
A:Sorry, the batteries on X728 is not support hot-swappable. Please power off to swap the batteries.
Q10: Does the rtc have a separate battery? or does it run on the 18650 batteries? what happens if you remove them? will it "lose" time?
A:No, the RTC function runs on the 18650 batteries. It will "lose" time if you remove the batteries.
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