# TBB BM500

> TBB BM500 (iPhone/iPad app by TBB Power Co., Ltd.)

- Source: https://appshunter.io/ios/app/tbb-bm500/id1628058089 (this page in markdown: same URL + `.md`)
- Developer: [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 31 MB
- Languages: English
- Released: 2022-06-07
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/tbb-bm500/id1628058089/reviews.md

## What is TBB BM500?

TBB'battery monitor kit is composed by a battery shunt and a monitor which allow the user to fully understand his/her battery. Here is some quick facts of this kit:
1) Measurement current is up to 500A
2) Is able to work with battery (or battery bank) 12Vdc, 24Vdc or 48Vdc
3) Compatible with AGM, GEL or LFP battery
4) An elegant design monitor to display battery information such as current, voltage, SOC, time remaining etc.
5) The monitor could be installed at any location where with easy access to users
6) Measurement accuracy:
    Current: +/- 0.4%
    Voltage: +/- 0.3%


## Version history (last 4 releases)

### 1.0.3 — 2024-01-02

Added settings for calibration voltage, calibration current, and calibration time, and fixed the bug where the SoC display was incorrect in some cases.

### 1.0.2 — 2023-03-20

Bug fixes and performance improvements.

### 1.0.1 — 2022-09-23

Optimized connection process

### 1.0.0 — 2022-06-08

No release notes.

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## More apps by TBB Power Co., Ltd

- [REGO G2](https://appshunter.io/ios/app/rego-g2/id1097435884)
- [REGO G1](https://appshunter.io/ios/app/rego-g1/id1434488006)
- [Sies](https://appshunter.io/ios/app/sies/id1434490106)
- [BWI-PM400](https://appshunter.io/ios/app/bwi-pm400/id1436461203)
- [旌航房车I](https://appshunter.io/ios/app/i/id1440003145)
- [戴德隆翠](https://appshunter.io/ios/app/id1454360674)

All apps by TBB Power Co., Ltd: https://appshunter.io/developer/1089239531

## Related topics

[tbb bm500](https://appshunter.io/ios/topics/tbb-bm500) · [bm500](https://appshunter.io/ios/topics/bm500) · [tbb battery](https://appshunter.io/ios/topics/tbb-battery)

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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 2026-05-17.*