ANCEL BM300 Pro

132 reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Learn more
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About this app

ANCEL BM300 Pro is an application for testing car batteries. It allows the user to know the voltage of the car battery in real time. It helps users to fully understand the battery by testing the voltage of the starting and charging system. It can record exactly when the car starts and stops. All the data can be displayed on the phone via Bluetooth. Easy car battery power management.
BM300 Pro、BT500、Battery Tester、Battery Monitor、Automobile Battery、Car Battery
Updated on
Jul 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location and Device or other IDs
  • Data isn’t encrypted
  • Data can’t be deleted

Ratings and reviews

127 reviews
Gordon Leonard
August 28, 2026
app set up extremely easily and recognized the BM300 PRO right away. everything worked perfectly until it didn't. main battery percentage froze on app, while all other stats worked flawlessly. wasn't until I uninstalled the app, and reinstalled the app the it worked again. PLEASE developers, just work on the software a little bit more, you have a good product/ UI. because of this issue I give this a 3.5 out of 5
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Kevin Carpenter
August 11, 2024
Garbage. The app finds the 300 pro with the correct serial #. Then I go through all set up steps until #4, where you click add. It sits there and gives the spinning wheel of death and then goes right back to the step #4 screen and doesn't add the monitor. Tried it about 50 times. Uni stalled the app, reinstalled the app about 7 times, tried it on 3 different 12V batteries and cars. Still doesn't work. Returning it to Amazon and going with another brand.
8 people found this review helpful
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Alan Smithee
April 16, 2025
Same as the others, couldn't advance past the final 4th step in the Add Device process. I turned on airplane mode and every time I clicked that final "Add device" button, I got a toast popup error message that said "Network error". There's no reason this app should connect to the internet for anything, ever. And especially not to pair a device. I'm returning this and going with a competitor instead.
5 people found this review helpful
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What’s new

1. Optimize relevant details and improve system stability