It was a pleasure to have been of help even if only with simple tests
Hi,
I have zero coding experience and I am very new HA user. I just found this out and thought that this would be easy way to maintain batteries. Unfortunately I got stuck and I have no idea what to do, if someone could help I would be very thankful.
Welcome to the community.
Could you please update your Home Assistant and it should work.
Let us know how you go.
Blacky 
Quick question and confirmation for my sanity… As new devices get added with batteries, will the existing configured blueprint auto inherit them or do we have to add them or re-configure it?
Hi Lee, as you add devices or remove devices form HA, the blueprint will look for all your current devices with batteries as long as the device has a battery entity.
Blacky
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Stay Charged, Stay Smart! Customize it your way and let’s automate your battery maintenance! 
New Feature For iOS
- Notification Sound - The Home Assistant app for iOS includes built-in notification sounds, and you can import sounds from your iOS device into the app. Custom sounds can also be added via iTunes or from your cloud storage.
For more information on using sounds in the Home Assistant app, click here.
If you like this blueprint? Consider hitting the 
button in the top post 
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Enjoy
Blacky 
Hi thank you for this blueprint. It was exactly what i was looking for.
Just a problem on my side. it is not notify me if a battery is in “Unknow” status.
It work with anavailable, but not with unknow.
Is there a waz of solving this ?
Regards.
Welcome to the community.
When your sensor becomes ‘Unknown’ is it when;
- Restart of HA and the sensor is yet to provide data so it is listed as ‘Unknown’?
- When the battery is flat it always stays ‘Unknown’ and never transition to
unavailable? It should do this. - Something else you can provide some feedback of when it becomes ‘Unknown’.
- What type of device (e.g., Zigbee, Z-Wave, or Wi-Fi, etc)
Blacky
Hi, this is right:
2: One of my Xiaomi LYWSD03MMC Bluetooth thermometer Hygrometer flashed to send values by the Passive BLE monitor had his battery totaly flat.
I use one of them in every room to control my heaters by generic thermostat.
This why i needed a smart integration like yours.
I know if i put a new (or recharged LIR2032) battery in it and I check batteries state every day, i shouldn’t have issues in the future, but i was wondering if there was a way to report “Unknow” batteries states with your blueprint as well.
Just in case…
Maybe I´m too stupid because of being at the beginning of using home assistant, but how can I get this notification on my dashboard instead of sidebar ?
With auto-entities I´m only getting the status of the automation.
Thanks in advance,
Thorsten
Maybe I’m stupid too 
but is it possible to add the battery type from the battery notes integration to the notification and todo list, so I can immediately
can order the correct batteries.
Thanks in advance for any help
Thanx for the quick reply, as I understand this is a manual process I can’t just simple fetch the data from the battery notes integration or do i read it wrong?
But when running with fully kiosk and without sidebar on a tablet the user cannot see the notification. Is it possible for you to implementate an useful entity for dashboard ?
Sorry I don’t use that integration as I try to just keep things simple. I just keep a stock of batteries as AA, AAA or CR2032 so when I get the notification I just add to the to do list and then just know what battery I need or just replace them when I get notified. You could always reference the battery using the integration.
Blacky
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Maybe this is a WTH topic as it is running this month.
WTH - Dynamic Notification In Dashboard
Vote here WTH - Dynamic Notification In Dashboard
Blacky
Stay Charged, Stay Smart! Customize it your way and let’s automate your battery maintenance!
New Feature 
- Unknown Sensors - It will now detect battery sensors that report as Unknown.
Maintenance 
- Clean up some code.
If you like this blueprint? Consider hitting the button in the top post
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Enjoy
Blacky
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I have it set up in an automation for low batteries where it sends a notification to the phone and does a tts message over a speaker. When all batteries are ok it works fine for the phone but how would i go about doing the same for the tts?