# Low battery warning
**URL:** https://community.homey.app/t/low-battery-warning/48063
**Category:** Questions & Help
**Created:** [June 2, 2021, 1:57pm UTC](https://community.homey.app/t/low-battery-warning/48063 "2021-06-02T13:57:31Z")
**Posts on this page:** 1
**Showing post:** 8
### Author:  [@K\_S](https://community.homey.app/u/K_S)
#### Post date: [June 17, 2021, 10:41am UTC](https://community.homey.app/t/low-battery-warning/48063/8 "2021-06-17T10:41:27Z")
Well, the developer Popp app developer (Marco) seems to be saying that the apps’ battery reading is from the “homey core”, so it appears both the 67% and 3% readings are from somewhere in the homey code. It disappointing and slightly worrying that such discrepancy exists.
>
>
> Hi,
>
> I have a homey flow to let me know when a device battery is low and might… need changing:
> !\[image\](https://user-images.githubusercontent.com/37977911/120662398-0645e000-c481-11eb-8430-2d90cecb116e.png)
>
> I often get a warning like this from the Popp Radiator:
> !\[image\](https://user-images.githubusercontent.com/37977911/120662493-1cec3700-c481-11eb-8f6d-7330380b0a20.png)
>
> ...but the Homey system shows a completely different value: 67% not 3%:
>
> !\[image\](https://user-images.githubusercontent.com/37977911/120662571-2aa1bc80-c481-11eb-9a5a-3739015a0ea7.png)
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