I was thinking of buying some of these for some cars that are rarely driven... You need to install an app on your phone to use these. It turns out that the app is pretty abusive.
https://hackaday.com/2023/06/27/blu...at-also-monitor-your-position-without-asking/
https://doubleagent.net/2023/05/21/a-car-battery-monitor-tracking-your-location
https://doubleagent.net/2023/05/22/a-car-battery-monitor-tracking-your-location-part2
- The product collects GPS co-ordinates, cell phone tower data and nearby Wifi beacons
- Location data is sent over the Internet to servers in Hong Kong and mainland China
- App store misleads consumers by stating that no personal data is collected or shared. Since the Android app requires location permissions to use the hardware device, users are effectively forced to continuously broadcast their physical location to 3rd parties in order to use the product.
https://hackaday.com/2023/06/27/blu...at-also-monitor-your-position-without-asking/
https://doubleagent.net/2023/05/21/a-car-battery-monitor-tracking-your-location
https://doubleagent.net/2023/05/22/a-car-battery-monitor-tracking-your-location-part2