The Amperage and voltage of a car or truck battery charger eventually figure out if, And the way rapidly you could cost your vehicle’s battery. How can I Connect a Battery Charger-Maintainer to My Car? There's two approaches for connecting a charger-maintainer. The easiest is using “alligator” clips, so named https://hukums.com/products/elak-battery-tester-for-testing-12v-automotive-batteries-upto-60ah-bct-5