BATBMS (BAT-BMS) is the free battery management app for Android by Shenzhen Grenergy. Monitor cell voltage, temperature, and protection status over Bluetooth. Free download, no registration — the full app as a standalone XAPK package.
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4 guides
Download & Install
APK downloads, the XAPK installer, updates and the beginner path.
4 guidesBluetooth & Connection
Pairing, the permission prompt, and every connection failure fix.
6 guidesBattery & Cells
Voltage, balancing, temperature, longevity tips and lithium basics.
4 guidesFeatures & Guides
A screen-by-screen feature tour and the full reference guide.
2 guidesTroubleshooting
Every error code explained and the most reported problems solved.
5 guidesSafety & FAQ
Is it safe, which batteries work, and the questions everyone asks.
Frequently asked questions
Full FAQIs the APK download free?
Yes. The BAT-BMS app is provided as a free XAPK package. You only need a free XAPK installer app from the Play Store to open it on Android.
What version is currently available?
Version 1.0.9 (build 9), about 11.3 MB in size. It runs on Android 5.1 and newer, up to Android 15.
Do I need an internet connection to use the app?
Only for the first install. Once it is on your phone, BAT-BMS talks to your battery over Bluetooth, so it works fully offline.
Which phones are supported?
Any Android phone running Android 5.1 or newer with Bluetooth. The app targets Android 15, so modern devices are fully supported.