125A Engine Start - Instantly start a vehicle with a dead battery 15<>40A Boost Mode ramps up the voltage and sends a quick burst of energy into the battery quickly bringing deeply discharged batteries back to life. 15<>40A Service Mode 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 Digital Display - 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 Rugged Design - Powder-coated metal housing for durability