Eneloops would only last about 3 weeks. And disposable last 2 months. This door is used a lot and since it has Zwave and a door open sensor it sends info on every open.
Bonus, since it can handle the lipo AA batteries that put out 1.8v and it gives the motor more oomph I made the battery pack give 7.2v and it never sticks anymore.
This is a garage-door so its not critical access but is used a lot.
Why not a cable for power? Does the door need to be able to go somewhere that doesn’t have electricity?
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Idk how they are built but i’d guess any power outtage would lock you out right?
So the same as a battery running out?
Pass through charging is also a thing, so the 10Ah battery can charge when mains is up and then continue during a power cut.
In my experience some may need to be reset to start charging. Depends on what you have though. Either way give it a test first.
May be an access issue. Enough distance and running a cable becomes a pain in the ass in a way that can make this more appealing. It’s why I don’t have an Ethernet cable in one room of my house; I’d have to climb either across the attic, or in the crawlspace, and neither are gonna happen voluntarily. So I deal with a crappy wifi dongle for the ancient PC in that room instead.