I hope I am not missing something in the thread here or just being too obvious but the lights do seem to get very dim when the keypad is not plugged into the power supply. Okay, they’re not really dim, they’re off. They light back up if you touch a button. You can just plug the power supply into a timed outlet (smart plug or old fashioned timer) so that it only charges during the day and you rely on battery power at night. What do you think?
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