BM2

Battery Voltage Test,Cranking System Voltage Test,Charging System Voltage Test

wanbaolu · com.dc.battery.monitor2

Not rated yet 100K+ downloads v3.8.0 22 MB Android 6.0+ PEGI 3 · Everyone

Download APK 22 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.8.0 (111)
Updated: Jan 26, 2026 (8 months ago)
APK size: 22 MB
Requires: Android 6.0+ (API 23)
CPU support: ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Nov 11, 2023 (at least)
Permissions: 26 (10 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

BM2 is an app by wanbaolu in the Tools category, listed since at least November 2023. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.7.6, the APK grew from 16.6 MB to 22 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 26 permissions, 10 of them sensitive, including precise location, location in the background and camera. It asks for the same permissions as version 3.7.9. The app can read the advertising ID that ad and analytics services use.

What's new in v3.8.0

1. Compatible with Android 15 2. Optimized related details

Description

From the listing uploaded by “appupdater”.

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.

Version history

4 versions are listed, going back to v3.7.6. Since v3.7.8 it requires Android 6.0+.

v3.8.0 LATEST Jan 26, 2026 22 MB TRUSTED v3.7.9 Jun 14, 2025 21.8 MB TRUSTED v3.7.8 Aug 8, 2024 21.1 MB TRUSTED v3.7.6 Jun 14, 2024 16.6 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 26, 2026.
Certificate issued to “shenzhen dacheng software company” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jan 26, 2026
Validated against Google Play Jan 26, 2026
Signed byCN=yihaitao, OU=shenzhen dacheng software company, O=shenzhen dacheng software company, L=shenzhen, ST=guangdong, C=cn
Signing certificate (SHA-1)8D:BC:AC:1E:2E:D7:E2:46:7B:3D:67:68:44:49:41:AD:A9:36:53:BD
File MD53e4c69ea2d5bcf1847fabfd047bc2cde
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (26)

BM2 requests 26 permissions, 10 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Camera Sensitive android.permission.CAMERA
Location in the background Sensitive android.permission.ACCESS_BACKGROUND_LOCATION
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read media audio Sensitive android.permission.READ_MEDIA_AUDIO
Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Read media video Sensitive android.permission.READ_MEDIA_VIDEO
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Access location extra commands android.permission.ACCESS_LOCATION_EXTRA_COMMANDS
Advertising ID com.google.android.gms.permission.AD_ID
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Change wifi state android.permission.CHANGE_WIFI_STATE
Control vibration android.permission.VIBRATE
Foreground service connected device android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.dc.battery.monitor2.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Mount unmount filesystems android.permission.MOUNT_UNMOUNT_FILESYSTEMS
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Bluetooth Low Energy android.hardware.bluetooth_le
Camera android.hardware.camera
Camera autofocus android.hardware.camera.autofocus
Basic touch input android.hardware.faketouch
Location android.hardware.location
Landscape screen android.hardware.screen.landscape
Wi-Fi android.hardware.wifi

BM2 APK: questions and answers

Is there a version of BM2 for older Android phones?

The current version needs Android 6.0 or later. Version 3.7.6 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.7.6 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the BM2 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 3e4c69ea2d5bcf1847fabfd047bc2cde.

BM2