It won't directly detect the battery capacity precisely 2.
WUJUN 2Pack Battery Tester Checker Multi Size Analogue Battery Checker for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery for Operation)
WUJUN Analogue Battery Tester Multi Size Battery Checker for AA AAA C D 9V 1.5V
AITRIP 2pack Universal Battery Tester Checker, Digital Battery Capacity Level Tester for C AA AAA D N 9V 1.5V Button Cell Small Mini Batteries
2Pack Battery Pack and Charger for Xbox One S X, Xbox Series S/X Controller Xbox
Upgraded 1/2PACK Battery for Dewalt 18V XRP DE9098 DC9096 DE9095 DC725 DE9039 UK
Car Battery Tester with Printer 12V Automotive Load Tester Alternator Tester Auto Digital Analyzer Tool Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht
