Features and Benefits:
Powerful transformer 125 AMP engine start mode
Manual override to charge dead batteries
Digital display with alternator tester
Recovery mode for heavily sulfated 12V batteries
Heavy Duty case, cables and clamps for professional use
Solid performance, design and long-lasting durability make this charger a great choice for professionals. Its energy efficient and fully automatic. This unit offers 125A Engine Start, 40<>15A Boost and 6A Charge rates. 
Provides real-time feedback of charging status, voltage and diagnostic fault codes. 6 Foot Power and Output Cables - Heavy-duty clamps and flexible cables provide up to 12 ft. reach. Push-To-Start Charging - Manually starts charger for use on batteries as low as zero volts. Battery Diagnostics - Continuously monitors battery voltage to detect potential battery defects. Alternator Tester - Checks voltage output of vehicle alternator. Built-in Safety - Multiple safety protections including Reverse Polarity, Short Circuit, Overheat and more. 
Boost/Service Mode  ramps up the voltage and sends a quick burst of energy into the battery quickly bringing deeply discharged batteries back to life. Maintains a stable voltage at 13.6V and prevents discharged batteries during service or sitting idle in a showroom. 6A Charge  Safely and precisely charge and maintain all types of lead-acid batteries including AGM and gel. Recovery Mode  The charger uses a unique recovery algorithm to recover a sulfated 12V battery. 6V/12V Auto Detection - Automatically detects whether battery is 6V or 12V.