Unlike other monitors, no bt serial detection
Unlike other monitors, no bt serial detection
Free
About
This tool detects and tests lead-acid batteries, assessing CCA and health. It calculates remaining battery life based on temperature and CCA data. Users can also test cranking and charging systems, with all results shareable and printable.
✓Lead-acid battery detection
✓Test battery CCA and health
✓Calculate available use life
✓Test cranking system
✓Test charging system
✓Share and print test results
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What's New in Battery Master 12V
1.6.4
March 30, 2026
1. New support for iOS 26 has been added.
User reviews
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FAQ
What kind of batteries does Battery Master 12V test?
Battery Master 12V is designed specifically for testing lead-acid batteries. It can intelligently assess their CCA and overall health condition.
How does Battery Master 12V calculate battery life?
It calculates the available use life of the battery by considering both temperature data and the battery's CCA (Cold Cranking Amps) data sheet.
Can I test other battery systems with Battery Master 12V?
Yes, in addition to battery health, users can alternatively test the vehicle's cranking system and charging system for comprehensive diagnostics.
How can I save or share my battery test results?
All saved history test results from Battery Master 12V can be easily shared with others or printed out for your records.
Does Battery Master 12V require a physical device to work?
Yes, the app requires installation on a battery to perform its detection and testing functions. It automatically obtains test results when your phone is close to the device.
What devices is Battery Master 12V compatible with?
Battery Master 12V is available for iPhone and iPod devices. It has an age rating of 4+.
How often is Battery Master 12V updated?
The latest version of Battery Master 12V is 1.6.4, which was last updated on March 30, 2026. This indicates a recent update.
What is the user rating for Battery Master 12V?
Battery Master 12V has a user rating of 3.4 stars based on 5 ratings. This suggests mixed user experiences.
