iPhone Screenshots


Onyx BMS can display your battery life. Through a series of detailed battery data, you can know the basics of your battery and bring you the most practical functions!
Available worldwide, simple and easy to use! Full-featured!
Accurate information display allows you to manage easily!

• Monitor the battery life of your device, don’t worry about running out of battery when you’re out.
• Estimate and calculate the original data of the battery, allowing you to understand the current condition of your equipment more clearly!
• Record the historical chart of battery capacity.
• Customize components such as the speed dial and gorgeous animations, making charging fun!
• Battery alarm system, error detection system. Give the battery a comprehensive and accurate analysis to prepare the battery for safety protection.

What’s New

Version 1.1.2


Ratings and Reviews

5.0 out of 5
4 Ratings

4 Ratings

hgbgyvrfgrffff ,

This isn’t about the app

I don’t have 4000 dollars, if I support your company on advertising can it get an rcr with blk headlights and blinkers?

App Privacy

The developer, 忠山 王, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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