About this app
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.
Latest release
What’s New
Version v400
Dec 11, 2025
Bug fixes and stability improvements
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 10:01 AM Free
Screenshots
