4A maintain, 15A fast charge, 25 - 50A boost, 250A engine start professional wheel charger. DOE compliant.

Product Features:

• Charges standard, AGM and Gel and deep-cycle batteries
• 250A Engine Start - powerful enough for SUVs, trucks and large engines
• 25 - 50A Boost mode - quickly brings deeply discharged battery back to life
• Microprocessor-controlled - automatically adjusts amperage rate, to charge and maintain
• Multi-stage charging - for added precision, safety and battery life
• Float mode monitoring - maintains optimum battery charge
• Reverse hook-up protection
• Digital display, LED indicators and push-button controls
• Start/Stop interface
• Extra-long output cables - 17 ft. total reach
• Retractable handle
• Safe for outdoor use
• Schu Eco Energy - meets the highest industry standards
• Contents: (1) DSR121 battery charger (4) Cable clamp cleats (4) Screws (1) Manual
• Suggested upgrade for PSW-2550