The Ferve F85 electronic tester is a versatile diagnostic tool designed for comprehensive testing of 6V and 12V batteries, including lead-acid, gel, AGM, and EFB types. This genuine Ferve device accurately measures battery voltage, cold cranking amps (CCA) within a range of 40-2000 SAE, and internal resistance. Additionally, it performs tests on the vehicle's starter and alternator charging system, providing essential data for maintenance and troubleshooting. Featuring an easy-to-read LCD display, the F85 tester is an indispensable tool for agricultural, construction, and industrial machinery maintenance.