GYS Start Up 80

"GYS Start Up 80, 3 in 1 automatic battery charger, tester and jump start. Automatic Battery Charger - Will charge 12V batteries without supervision or the need to disconnect the battery. - Charges: 13.5 - 25A - Max Ah battery: 170Ah Jump Start - Will start cars within a few minutes without effecting the onboard electronics. - Provides 50A boost Battery Tester - Very easy to use; 3 led indicators. Overvoltage protection. "