BM2

wanbaolu

About this app

Battery Monitor BLE is an application for car battery monitoring, which can monitor the real-time voltage of the car battery; count the historical voltage of the battery; it can automatically test the battery startup voltage, and support idle and high-speed charging tests. All data is synced to the mobile app via Bluetooth.

And provides a Wear OS version, with functions including: displaying device data, battery test data, startup test data and charging test data on the Wear side through communication with the mobile phone BM2.

Ratings and reviews

This needs a function to export data, which is very helpful when getting warranty replacement on a weak battery. Also, if you have multiple sensors, the app keeps changing to the sensor with the strongest bluetooth signal. It needs to stay on the chosen device until the user changes it. It would also be handy to have a quick device selection on the main screen, rather than having to go into settings to switch devices every time.

I'm happy with the Bluetooth range (~30ft), the information presented, the UI, etc. This monitor and app have been great for my travel trailer. I do recommend the device and app. Minus 2 stars because the app has to be manually forced closed. That's become pretty annoying! Fix that and allow export of the log data to excel and this would be a six star setup.

Love this app! As others have said, wish we could select battery type. I am using this in my camper van and would love to be able to set alerts that my battery is low, and the percentages here are meaningless if you have AGM batteries. At a minimum, it would be great to set alerts on voltage rather than percentage, i.e. alert when voltage drops below 12.0V.

What’s new

1. Compatible with Android 15
2. Optimized related details