Digital Battery Tester. Universal Compatibility: This versatile tester works with a huge variety of batteries, including C, AA, AAA, D, N, 9V, and 1.5V button cell batteries. Easy to Use: Simply place the battery between the two testing points, and the display will show you the result instantly.
eBay
Detection battery: 1.2-4.8V battery, D battery, C battery, AA battery, AAA battery, 9V battery, button battery, 21700 battery, 18650 battery, 16340 battery. Stay on top of your usage with accurate readings and clear status updates.
eBay
9V: PP3, MN1604, 6F22, 006P. Universal Button Battery Checker Tester AA AAA C D 9V. Checks power level of all 1.5V & 9V batteries. Place your battery between the two points of the battery tester. The battery tester may be used to test the following sizes.
eBay
REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking. HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries.
eBay
BT-168D Universal Button Multiple Size Battery Tester For AA/AAA/C/D/9V/1.5V LCD Display Digital Battery Tester Volt Checker. Battery Size: 9V; Good: 9V~7.8V; Low power: 7.7V~6V; Replace: Below: 6V. 1 BT-168D Digital Battery Tester.
eBay
Battery model: AAA, HP6, MN2400, RO3. AA, HP7.MN1500, UM3. Total load resistance: 4 Ω. Total load resistance: 215 Ω. Button, small battery.
eBay
An adjustable arm allows the tester to accommodate the testing of D, C, AA, AAA, 9V 6F22 batteries and 1.5V button cells and folds down for easy storage. Features: Analogue needle indicator. Tests D, C, AA, AAA, 9V 6F22 batteries.
eBay
Opened box
eBay