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12V 250A ProSeries Battery Charger/Engine Starter

Professional wheel charger for shop use and heavy-duty applications

For a reliable battery charging solution for a home garage or professional repair shop, the DSR121 ProSeries Battery Charger and Engine Starter is the perfect solution. This feature-rich charger boasts an easy-to-read, color-coded display, and a voltmeter for simple battery testing. With its heavy-duty clamps and transformer, as well as temperature overload protection, the DSR121 has the safety features professionals need.

The DSR121 provides up to 250 amps for jump-start and engine cranking capabilities, as well as a 25A to 50A boost to quickly charge nearly depleted batteries. This versatile automatic battery charger works with cars, trucks, and even RVs and can charge standard, deep-cycle, AGM, and gel cell batteries.

Safe to use indoors and outdoors thanks to its rugged steel case, the DSR121 can be set on a timer control or continuous operation.

Additional features include:

  • Extra-long output cables with a 17-root total reach
  • Microprocessor-controlled charging automatically adjusts the amperage rate
  • Multi-stage charging for added precision, safety, and battery life
  • Float-mode monitoring maintains optimum battery charge
  • Meets the highest industry standards for energy efficiency
  • One-year warranty


Product Specifications

Weight: 53.6 lb
Width: 20.5 in
Depth: 16.25 in
Height: 33.63 in
Input Current: 10A cont.,50A int.
Input Voltage: 120V AC
Output Current: 4/15A cont,50/250A int
Output Voltage: 12V
Output Voltage Icon: 12V
Safety Certifications: UL,ULC
Battery Type: Standard,AGM,Gel,Deep-Cycle
Pro/Consumer: Pro

Product Manuals/Tutorials

These manual(s) will explain how to use the product safely and effectively.

Manual 0099001943-R2


Manual 0099001943E-R3


Manual 0099001943E-R4


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