2 Pieces Digital LCD Universal Battery Tester (Model: BT - 168 PRO), Battery Tester Volt Checker for AA AAA C D 9V 3.7V 1.5V Button Cell - Amazon.com
Amazon.com: Performance Tool W2987 - Compact Battery Tester for Standard and Rechargeable Batteries with Color-Coded Display and No Battery Required : Everything Else
Universal Digital Battery Tester Battery Capacity Tester For Aa/aaa/1.5v 9v Lithium Battery Power Supply Measuring - Battery Testers - AliExpress