6V & 12V Electronic Battery & 6-12-24-36V Charging/Starting Systems Tester with USB adapter With USB adapter for computer/printer hookup. Tests all 6 & 12V Lead Acid, AGM & Gel Batteries. Tests 6/12/24/36V Starting/Charging Systems. Displays both % of Capacity & CCAs. Detects & Displays Alternator Ripple & Bad Cells. IR Printer Interface for Remote Printing. Tests Series (24V) & Parallel Batteries. Patented Conductance Technology. Reverse Polarity Protection. Loose Lead Detection. Includes RoHS Compliant Post Adapters. Made in USA. Battery Size Range: 100 to 3500 CCA. Battery Voltage Range: 6 & 12 Volt. Display: 2-Line LCD. Cable Length: 2 ft.. DC Voltage Range/Accuracy: 0 - 49.9V/+/- 2% of Reading. Languages: English, Spanish, French & German. International Units Displayed: EN, EIC, DIN, Ah, & JIS. Internal Battery: 9V (included) 5491 Yes - DI(2-ETHYLHEXYL)PHTHALATE (DEHP)