Midtronics PSC Power Supply/Battery Chargers provide clean and reliable power for charging and maintaining battery state-of-charge during service reflash, complex maintenance, and in the showroom where vehicle demonstrations can require significant power from the battery, Allows for vehicles to be displayed with all electrical features and accessories activated, Great for maintaining the battery while powering aftermarket accessories that drive sales, Provides a constant clean power supply for using scan tools and reprogramming of ECMs without discharging battery, Automatically maintains the battery when performing complex mechanical service, Advanced switch-mode design -Provides a cleaner, more reliable power source than a standard charger -Fully regulated DC output prevents overcharging of the battery and provides precise control to maintain the necessary battery voltage during complex service and reflash -Quiet, small, and compact for portability, Commercial design and heavy-duty internal components ensure years of continuous use, Multiple protection features for a long, trouble-free life: -Reverse battery polarity protection via replaceable fuses -Brownout input protection -Over-current protection-cycle-by-cycle peak limiting as well as rated current-limiting to maximize the life of the converter, -Over-temperature protection, Unique ""proportional"" fan control circuit -Sets the fan speed directly proportional to the converter"s internal ambient temperature enabling the fan to turn on and off very slowly, minimizing unwanted fan-starting noise, High quality, detachable cables for easy field service, Optional protective carrying case for storage or during use Power Supply Voltage Regulation: 13, 6V Maximum Amps Output at Regulated Voltage: 55A On/Off: Yes, with Power LED indicator Protection: Internal Breaker Removal Cable Set: 6" Clamp Set Soft Protective Carrying Case: Optional, SKU: EGLT20000