The BT-168D battery tester is compact and lightweight, making it ideal for quickly testing battery health. Designed for home use, it allows you to check standard and rechargeable batteries in seconds, preventing the waste of good batteries. Technical Specifications Product Type: Portable Battery Tester Compatibility: AA, AAA, C, D, 1.5V, 9V, and Button Cell Batteries Display: LCD for easy reading Operation: No batteries required, activated by the battery under test Compatibility and Accessories: Tests both rechargeable and non-rechargeable batteries Measures 1.5V and 9V battery specifications Purpose: Simply insert a battery into the tester, observing the correct polarity. The tester will immediately display the battery charge level. Usage: Use the tester to check if the battery is functional or needs to be replaced. The color scale indicates the battery condition: Red: Replace Yellow: Poor performance Green: Good condition Avoid prolonged use to minimize battery drain during testing. Additional Information: This tester is an essential tool for any home, helping to optimize battery use and ensure efficiency.