Description BATTERY & CHARGING SYSTEM TESTER Owning a lot of equipment and trucks means you have a lot of batteries to maintain and test. This quick and easy-to-use battery and charging system tester is an invaluable piece of equipment for the farmer and fleet manager. Specifications: Works on 6 & 12 Volt Batteries Test Battery On/Off In Just 30 Seconds Portable & Easy-To-Read Scale From 1 to 16 Volts Heavy Duty Positive/Negative Clamps Ventilated Steel Case Amp Setting: 50amp Load