1. Quick Detection: The BT189 battery tester with a resolution LCD digital display enables fast and accurate testing of various battery types without requiring a power supply. It is compact and suitable for onthego use. 2. Portable: The BT189 battery tester features a small and lightweight design, making it easy to carry and use anywhere. It is ideal for testing button cells and standard batteries, serving as an essential diagnostic tool for capacity measurement. 3. Efficient Testing: The BT189 battery tester is suitable for various battery types, including AA and AAA button cell batteries. It allows for convenient testing whenever required, providing reliable performance readings for household batteries. 4. Definition Display: The BT189 battery tester is equipped with a resolution LCD screen, ensuring clear and precise readings for efficient battery testing. Its universal compatibility makes it work with a wide range of battery types. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store