VanAccess BMS Monitor

Monitor LiFePO4 batteries and Victron devices over Bluetooth
AppID:com.vanaccess.bms
Author:hc51t
License:GPL-3.0-or-later
Donation:
InRepoSince:2026-07-31
LastRepoUpdate:2026-07-31
LastAppUpdate:Unknown
LastVersion:1.2
Categories:Connectivity, System
APK source:
icon VanAccess is an open-source Android app for monitoring LiFePO4 battery systems and power devices over Bluetooth Low Energy (BLE).

Features:
* Live BMS dashboard with state of charge, voltage, current, power, and temperature
* Individual cell voltage bar chart with min/max/delta highlighting
* Cycle count, state of health, protection flags, and FET status
* Victron SmartSolar MPPT charger monitoring via encrypted advertisements
* Victron Orion DC-DC converter monitoring
* Ai-Tanker switch panel relay control
* BLE device scanner with signal strength display
* Auto-reconnect with foreground service for background operation
* Debug tools: GATT dump, raw packet logging, manual hex commands
* Temperature display in Celsius or Fahrenheit

Supported protocols:
* JBD/Xiaoxiang BMS protocol (PowerQueen, LiTime, and other Chinese LiFePO4 batteries)
* Victron AES-128-CTR encrypted advertisement protocol
* Ai-Tanker switch panel GATT protocol

This app is read-only and never modifies BMS settings. It is not affiliated with any hardware manufacturer.

WhatsNew:

Build reproducibility fixes so F-Droid can verify releases. No functional changes.

Download Source Issues
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While you can download the APKs here directly, you should preferably use an F-Droid client so the app stays up-to-date on your device.

Packages

Version 1.2 (2026-07-31) no RB details available help icon

Android Versions:
  • Target: 14.0
  • MinVer: 8.0
Features:

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