D-FantiX Battery Tester, Universal Battery Checker Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168: Amazon.com: Electronics
Amazon.com: Watch Battery Tester Button Cell AA AAA D 9 Volt Tool : Automotive
Gardner Bender Battery Tester for 1.5-Volt Button Cell to 22.5-Volt Photo and Lantern Cells GBT-500A - The Home Depot