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Battery Diagnostics & Charging > Battery Chargers > PowerMax 12v 75 Amp Charger Converter Power Supp

PowerMax 12v 75 Amp Charger Converter Power Supply

PowerMax 12v 75 Amp Charger Converter Power Supply

Product Information


The PowerMax PMBC-55LK charger/converter has a fully integrated 3-stage microprocessor controller along with its highly controlled power supply output. The LK Series features a selector between 3-Stage Smart charging or Fixed Output Mode*. A key feature to the PMBC Series charger is being able to provide clean constant fixed output power to a vehicle during reprogramming and diagnostic servicing.

Using only the best in manufacturing technology, Power Max has designed and built a powerhouse charger/converter. Capable of provinding a constant load demand of up to 100% of its rated capacity, the PMBC series converters are among the best. Pumps, fans, motors, and radio equipment will run with no problems on the PMBC converter/charger. 


*The Fixed Output Mode does not offer smart charging and simply outputs at the fixed voltage. Users are highly recommended to use the 3-Stage charging mode to safely charge a battery.


  • Selectable 3-Step Charging Mode or Fixed Output Mode
  • Adjustable Voltage Dial - Output Voltage can be set between 13 VDC – 16.5 VDC to meet most vehicle battery requirements including most Lithium.
  • Smart Battery Charging Mode for general battery care and maintenance – 14.6VDC / 13.6VDC / 13.2VDC
  • On/Off Switch
  • DC Output Cable: 15ft
  • Variable Speed Cooling Fan
  • Digital Output Voltage Display
  • Demand Sensing
  • Reverse Polarity Protection
  • Over Voltage Protected
  • Short Circuit Protection
  • Overload Protection
  • Line Regulation
  • Load Regulation
  • Thermal Protection
  • 2 Years Warranty

Tech Specs

  • Dimensions (LxWxH): 7.15 x 10.5 x 5.45 in
  • Weight: 11 lb
  • Shipping Weight: 13 lb
  • Output Amperage, Max Continuous: 75 A
  • Max Current, During Bulk Charge: 75 A
  • Output Voltage Full Load: 13.4 V
  • No Load Voltage: 13.6 V
  • Maximum AC Current @ 108 VAC: 12 A
  • AC Input Volts: 115 V
  • AC Input Volts Freq.: 47/63 Hz
  • AC Input Volts Range: 105–135 V
  • Float Current: Variable
  • Model: PMBC-75LK
  • Manufacturer: Power Max
  • Bulk Voltage: 14.6v ± 0.2v (default) / Adustable between 13v to 16.5v
  • Float Voltage: 13.56 V
  • Typical Efficiency: 85%
  • Maximum Power Output, Continuous: 1065 W
  • Charge Reset: Battery Voltage Threshold: 12.6 V
  • Working Temperature: 0° to 45° C
  • Storage Temperature: -20° to 80° C
  • Over Temperature: 80° C
  • Ripple and Noise: 100 mV rms
  • DC Output Cable Length: 15 ft
  • Output Banks: 1
  • Regulatory Approval: UL Listed
  • Manufacturer Part #: PMBC-75LK
  • Made In: China
  • Manufactured by: Powermax Converters
  • Toolsource #: 298198
  • Manufacturers Part #: PMBC-75LK
  • Also Known As: PWMPMBC-75LK

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