NFC CellMonitor

Read NFC battery tag data, monitor cell status, and track history.

NFC CellMonitor helps you read and understand battery data stored on compatible NFC tags.

With a quick tap, the app reads tag data and shows key battery information in a clear format, including:

Battery percentage

Total voltage and current

Temperature

Cycle count

Usage months

Series/parallel configuration

Alarm status and alarm sequence

Cell voltages

You can also:

Save scan results automatically

Browse and compare scan history

Group records by tag ID for easier tracking

View decoded raw NFC pages (Debug Mode)

Write data back to a compatible NFC tag when needed (Debug Mode)

Designed for technicians, makers, and advanced users who work with NFC-based battery tags and want a fast way to inspect battery-related data on Android devices.

Notes:

Requires NFC-capable hardware.

Results depend on tag format and compatibility.

Some advanced actions are available only in Debug Mode.