# FRCBatteryReader

> FRCBatteryReader (iPhone/iPad app by Jinze Zhou.)

- Source: https://appshunter.io/ios/app/frcbatteryreader/id6752791758 (this page in markdown: same URL + `.md`)
- Developer: [Jinze Zhou](https://appshunter.io/developer/1840968666)
- Category: Utilities, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 7 MB
- Languages: American English, Canadian French, Hebrew, Chinese (Simplified, China), European Spanish, Turkish
- Released: 2025-09-22
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/frcbatteryreader/id6752791758/reviews.md

## What is FRCBatteryReader?

The FRC Battery Tag Reader is a companion utility designed for FIRST Robotics Competition (FRC) teams to streamline battery tracking and usage logging. Using NFC technology, this app reads and writes structured JSON records stored on NFC tags attached to robot batteries.

With this tool, teams can:
	•	Read battery information directly from NFC tags in the standardized JSON format.
	•	Write new records (such as charging events or robot usage sessions) back to the tag.
	•	Maintain history logs with a fixed number of entries, ensuring consistent data for every battery.
	•	Export logs for analysis and recordkeeping.

 Hardware Requirements

This app requires special hardware to function. It is designed to work with NFC tags written and managed by a compatible ESP32-based RFID system (see project repository for firmware and hardware details). Standard iOS devices with NFC can run the app, but the tags themselves must be prepared with the provided firmware and hardware setup.

Open Source

This project is fully open source! You can view the source code, contribute, or adapt it for your own team on GitHub
FRC-RFID-Battery-Reader https://github.com/sikaxn/FRC-RFID-Battery-Reader/tree/main


## Version history (last 5 releases)

### 1.24 — 2025-11-18

Added "print report for current tag" feature.

### 1.23 — 2025-11-08

This update fix critical bug from 1.22. It is highly recommend that you update if you have 1.22 installed. This version will ensure compatibility on JSON file across different platform. Also, this version fix an issue where under certain condition import would fail.

### 1.22 — 2025-11-06

- Support for BEST (Battery Exchange via Standard Tag) Protocol Tag serial number scheme on init new tag. For more information about BEST protocol, visit https://github.com/sikaxn/FRC-Custom-CAN-Sensor/wiki/901.-BEST-(Battery-Exchange-via-Standard-Tag)-Protocol
- Export and import battery tag JSON file
- Write imported JSON file to battery tag

### 1.20 — 2025-09-30

- Localization added for Simplified Chinese, Canadian French, Hebrew, Tukrish and Spanish
- Added Chime for different note type upon scan

### 1.11 — 2025-09-24

iOS 26 improvements
Added a demo mode in case you don't have NFC tag. It is under View Logs!
Added links to get help and privacy policy. 
Clear logs now require confirmation and 3 second countdown.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*