Check the listing for details. New Universal Battery Tester AA/AAA/C/D/9V Button Cell Volt Tester # BT20. Condition: New. Listed at 8.98 USD. New Universal Battery Tester AA/AAA/C/D/9V Button Cell Volt Tester # BT20Product Description-Portable handheld design, perfect companion for travelTest the capacity of your battery in secondsDouble easy-to-read color-coded scales indelicate power levelOne movable arm to accommodate the batteryTwo buttons on the side for testing 9 volt batteriesTest different sizes of batteries in only one unitUsed to test the following sizes: 1.5V: AAA, HP16, MN2400, R03AA, HP7, MN1500, UM3C, HP11, MN1400, SP11, LR14, UM2D, HP2, MN1300, SP2, R20,UM19V: PP3, MN1604, 6F22, 006PAll kinds of button cellCustomer service is our main concern as always, thus we expect you to contact us with any issue ASAP before you decide to leave neutral or negative feedback. It is easy for us to fix any problem you may have with our products or services. Ask and you shall receive!