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Schumacher 6v/12v Automatic Battery Charger w/ Tester PSC-12500A(DSR)

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Don’t confuse this with the SC12000A. This is the heavy-duty DSR series charger, not the cheaper unit sold by most of our competitors with a similar part number.

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Product InformationStore Part Number: PSC-12500A(DSR)


Easy to use, fully automatic, micro-processor controlled electronic battery charger for both 6 and 12 volt batteries! Charges batteries up to 3 times faster than conventional chargers. Self-adjusting variable charge rates for everyday charging needs and maintaining battereis in peak condition with float mode monitoring. Charges and helps desulfates car, truck, RV, farm equipment, and boat batteries. 2 amp trickle charge for charging and maintaining your smaller batteries. Electronic touchpad controls for digital display battery type or charge/start. Choose from 4 battery type settings: 12 volt regular automotive, 12v Deep Cycle, 12 volt AGM, and 6 volt regular batteries. Built in voltage and alternator tester for diagnostic work.


  • 125 amp engine start for emergency startups
  • 15 to 40 amp rapid charge can charge in as little as 1 hour
  • 2 amp trickle charge for small batteries (lawn tractor, motorcycle, etc.)
  • Microprocessor controlled
  • Battery and alternator tester lets you know the state of your electrical system
  • LED and digital display indicates battery condition
  • Sure-grip all-steel clamps work on top and side post applications
  • 6' AC input cord
  • 6' DC output cord
  • Optimal 3 Step Charging
  • Built-in Mode Indicators
  • Spark Free Hook Up
  • Demand Sensing
  • Overload Protection
  • 5 years Warranty


Schumacher also builds a consumer grade charger with a similar part number. Beware of the bait and switch. The unit found here is the heavy-duty DSR series meant for constant shop use!

Tech Specs

  • Dimensions (LxWxH): 10 x 10 x 6 in
  • Weight: 15 lb
  • Shipping Weight: 16 lb
  • DC Output Amps: 2-120 Amps setable
  • Manufacturer: Schumacher
  • Max Current, During Bulk Charge: 120
  • Maximum Charging Current: 40 (fast charge)
  • DC Output Voltage: 6 or 12 volts
  • AC Input Volts: 90-120
  • Manufacturer Part #: PSC-12500A(DSR)
  • Made In: Mexico

Reviews and Ratings

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Rated 1.00/5 Stars from 1 customer reviews.

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DSR12500A Battery Charger
Pros: Works fine.
Cons: Just bought this....product works ok, but this is the most noisey thing I have ever bought The transformeer in this product just rattles. I might expect some noise when using the Jump Start mode,as you put a huge load on the trasformer but the transformer hum is just as loud @2 amps or 10 amp settings. Everyone asks if there is something wrong with it. The manual says it is normal...never been normal on any other product I have owned.
Will never buy another thing from here
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Written by on Jul 27, 2012. Ownership: I've thought about naming it.... Knowledge Level: AC/DC is more than a band — (95 of 174 customers found this review helpful

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