BT-168D Battery Tester Universal Battery Volt Tester for AA /AAA/C/D/9V/1.5V Button Cell

Quickly Test The Battery Voltage, Display By Digital. No Batteries Required, Powered By The Battery Being Tested. Test Standard And Rechargeable Batteries: 9V, AA, AAA, C, D, 1.5V Button Type Cells. A Must Buy For Anyone Who Uses Regular Or Rechargeable Batteries On A Regular Basis. Can Effectively And Quickly Test The Capacity Of Your Battery, Do Not Waste Your Battery Any More. Made Of ABS Plastic Material, Hardness, Lightweight, Tough And Durable. Compact And Portable, Easy To Carry. The main feature of this product is that it does not require any power or battery.