Yale Assure SL with Zigbee - Battery is 100% (but its not?)

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Hi There, I have a Yale Assure SL with Zigbee connected and working fine, except Hubitat is logging "Front Door battery is 100%" -they are good quality lithium ones, but the batteries have been in there a good 6+ months so surely they cant be 100% still?

Any thoughts on this... is there something I need to tweak?

Thanks!

Simon

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You’re using lithium batteries. The voltage stays pretty constant until they’re nearly dead, which makes reported battery level pretty useless for most devices. I see the same behavior with my kwikset Zigbee locks using lithium batteries. I have seen more accurate reporting with alkaline batteries, but I’m using lithium anyway because they last twice as long for me. It’s also up to the device to report correctly, and not in Hubitat’s control.

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Awesome reply thanks!!

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I would like to add to @Ken_Fraleigh comments. Even with normal alkaline batteries, NEVER believe the battery levels. Battery level reporting is for the most part so inconsistent that it's almost useless. For myself, I set alarm notification thresholds at %20. I figure that's a decent average for replacement though in my own testing I've had ones report at %20 but test at %60 or above or as low as %5. The battery is a lie... :slight_smile:

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Very true. There are some devices that I can count on to report fairly accurately. Actually it’s only the Zigbee 3.0 SmartThings devices, Hue sensors, and Iris V2 sensors that report pretty accurately for me. Almost everything else that I have will report 100% until it’s dead. So, I just replace all lock batteries at once every nine months, and smoke detectors yearly (also using lithium). I also keep in mind that if any device reports <80%, that probably means it has exhausted about 80% of its energy.

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