Efficient Battery Testing The Digital Battery Tester lets you easily check the capacity of C, D, AA, AAA, 9V and 1.5V button cells, so you know when it is time to them. Benefit: reduces guesswork and helps prevent unexpected device failures. Userfriendly LCD Display Clear LCD bar graph provides easytoread results, allowing anyone to diagnose battery power levels at a glance. Benefit: quick and straightforward testing without interpretation or trialanderror. ABS Construction Built from quality ABS material to withstand regular use while maintaining accuracy and reliability in battery testing. Benefit: durable, dependable performance for everyday maintenance. Wide Compatibility Supports a comprehensive range of battery types, including 9V (6F22), AAA, AA, C, D, and various button batteries, making it a versatile tool for your household. Benefit: reduces the need for multiple testers and keeps devices ready. Use scenarios Home electronics: check batteries in remotes, wireless mice, and toys to ensure they work when you need them. Tools and lighting: test 9V, C, and D cells in flashlights, radios, and household tools to avoid sudden power loss. Clocks, calculators and small devices: verify button batteries and other small cells to extend device life and schedule replacements. Key benefits at a glance Function: accurate capacity testing for a broad range of battery sizes. Compatibility: wide support for 9V, AAA, AA, C, D and button cells. Material: durable ABS construction for regular use. Performance: reliable, easytoread results with a userfriendly interface.