# Battery Maintenance

> Companion app for EMSYS Battery Tester, providing detailed battery test reports. (iPhone/iPad app by EMSYS Design LLC.)

- Source: https://appshunter.io/ios/app/battery-maintenance/id1578187796 (this page in markdown: same URL + `.md`)
- Developer: [EMSYS Design LLC](https://appshunter.io/developer/1520092117)
- Category: Business
- Price: Free
- Rating: 4.40/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 28 MB
- Languages: American English
- Released: 2022-05-05
- Data updated: 2026-06-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/battery-maintenance/id1578187796/reviews.md

## What is Battery Maintenance?

The Battery Maintenance application is used along with the EMSYS Battery Tester device.
The app was developed to provide a complete battery testing experience and deliver detailed reports to users.

## Key features

- Connects with EMSYS Battery Tester device
- Provides complete battery testing experience
- Delivers detailed battery reports
- Enhances battery diagnostic capabilities
- Business-focused utility


## Frequently asked questions about Battery Maintenance

### What is Battery Maintenance used for?

Battery Maintenance is used in conjunction with the EMSYS Battery Tester device to provide a comprehensive battery testing experience and generate detailed reports.

### Is Battery Maintenance free to use?

Yes, Battery Maintenance is available for free. It does not have any in-app purchases or advertisements, making it a completely free utility.

### What devices does Battery Maintenance support?

Battery Maintenance is designed for iOS devices, specifically supporting iPhone, iPad, and iPod.

### How often is Battery Maintenance updated?

The app was last updated on December 11, 2025, indicating recent development and support. The latest version is v400.

### What is the age rating for Battery Maintenance?

Battery Maintenance has an age rating of 4+, making it suitable for a wide range of users.

### Who developed Battery Maintenance?

Battery Maintenance was developed by EMSYS Design LLC, the creators of the EMSYS Battery Tester device.

### What is the user rating for Battery Maintenance?

Battery Maintenance has a strong user rating of 4.4 stars, based on 7 ratings.

## Version history (last 5 releases)

### v400 — 2025-12-11

Bug fixes and stability improvements

### v388 — 2025-11-20

Bug fixes and improvements

### 3.8.7 — 2025-10-23

Improvements and bug fixes

### 3.3.3 — 2025-04-07

- Fixed gain issue

### 3.3.2 — 2025-03-19

- Added measurement device type validation before upload.

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| [PowerTest](https://appshunter.io/ios/app/powertest/id1671239659) | — | Free | Business |
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## Related topics

[allied battery](https://appshunter.io/ios/topics/allied-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 2026-06-07.*