Versatile Battery Tester The BT168D Digital Battery Tester measures the capacity of various battery types, including 9V, 1.5V, AA, AAA, and button cells, making it a universal solution for all your battery testing needs. Accurate Voltage and Capacity Measurement This tester accurately checks voltage levels and battery capacity, helping you know when to batteries for device performance. UserFriendly Design With simple operation, the BT168D allows anyone to quickly and accurately test their batteries without complicated setup, making it suitable for everyday use. Multifunctional Testing In addition to standard battery testing, it also functions as a Leadacid Battery Test tool, providing comprehensive testing capabilities for a wide range of battery types. Use scenarios Home and everyday devices: check AA/AAA batteries in remotes, toys, and clocks to avoid unexpected device failures. Safety and reliability devices: test 9V batteries in smoke detectors and other critical devices to ensure they perform when needed. Leadacid batteries: evaluate leadacid batteries used in small equipment or backup power setups such as UPS units or power tools.