Specifications include, but are not limited to: A. (2016) Taylor-Dunn TIGER – 839 Hours B. (2013) TUG MZ – 1,899.7 Hours (2019) Taylor-Dunn TIGER Currently, Kartchner Caverns State Parks has 3 Battery Chargers. Two (2) of them are EnerSys Enforcer Impaq • EnerSys Enforcer Impaq Model No. E13-IN-5Y • Battery Type: Lead Acid • Max AH: 750/675 • Cells: 36/40 • Max Modules: 4 • Config modules: 3 • Hertz: 50/60 • Phase: 3 • AC Volts: 480 • Config AC AMPS: 14.4 • Max AC AMPS: 19.2 • Max DC AMPS: 160 • DC Volts: 72/80 One (1) of them is a Stanbury Electrical Enger. INFINITY High Frequency Charger • Model: F3NG40/13 • Type: FNG 40/865 • Serial No: U2007040914 • Module No: 2007040914 • Battery Type: Lead Acid • Cells: 40 • AH: 865