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Schumacher SC-1200A/CA SpeedCharge 3/6/12 Amp Charger/Maintainer/Tester

1,231 customer reviews
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List Price: $59.99
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  • 12 Amp fully automatic microprocessor controlled battery charger
  • Automatically adjusts the amperage rate to charge and maintain batteries
  • Features float mode monitoring
  • Auto Voltage Detection automatically detects 6 or 12 Volt batteries
  • Reverse hook-up protection with LED indicator
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Parts Gift Guide

Frequently Bought Together

  • Schumacher SC-1200A/CA SpeedCharge 3/6/12 Amp Charger/Maintainer/Tester
  • +
  • Schumacher WM-12 Cable Connector for Battery Charger/Maintainer
  • +
  • Schumacher EC-25 25' Cable Connector Extension Cord
Total price: $44.36
Buy the selected items together

Product Information

Technical Details
Item Weight2.1 pounds
Product Dimensions4 x 3 x 12 inches
Item model numberSC-1200A/CA
Manufacturer Part NumberSC1200A/CA
OEM Part Number SC-1200A
Technical Specification
  • Product Warranty: For warranty information about this product, please click here [PDF]
  • Review the User Guide for more information [PDF]
Additional Information
Best Sellers Rank #19 in Automotive (See top 100)
Shipping Weight3.4 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJune 13, 2006
Warranty & Support
Warranty, Parts: Parts

Product Warranty: For warranty information about this product, please click here [PDF]

Product Description

Product Description

This is a 6V/12V 12 Amp fully automatic microprocessor controlled battery charger for premium charging applications. With 6V/12V auto voltage detection, this charger can do 3 Amp for maintaining, 6 Amp for medium charging and 12 Amp rapid charging, with a digital display. Also has reverse hook-up protection so the unit will not operate if clamps are reversed, and float mode monitoring. Energy efficient and eco-friendly.

The Schumacher SC-1200A/CA SpeedCharge is a fully automatic battery charger that uses advanced technology to charge up to twice as fast as conventional chargers. Automatically adjusts the amperage rate to charge and maintain batteries efficiently. The 50-amp clamps are compatible with both top and side-mounted battery posts. Its easy-to-read LED indicators show battery charge status at a glance. Quickly charge and maintain conventional automotive batteries, deep-cycle, AGM, and gel cell batteries.

Multi-stage, automatic charging for 6V and 12V batteries
Multiple Charging Modes

Automatically adjusts the amperage rate to quickly charge all types and sizes of batteries. The charger monitors battery condition and adjusts charge rate downward to prevent battery damage for car, truck, marine, RV, and farm equipment batteries. Also adjusts automatically to Slow Charge, a trickle setting for charging and maintaining small batteries, such as those for motorcycles, ATVs, snowmobiles and lawn tractors.

Sturdy, Built-In Handle

The built-in, retractable handle serves as convenient cord wrap for the 50-amp clamps and power cord, in addition to providing easy portability.

Microprocessor Controlled

Microprocessor Controlled Technology with multi-stage charging lets the Schumacher SC-1200A/CA deliver added precision, safety, and battery life. This technology lets you charge your motorcycle, car, or utility vehicle batteries up to 2x faster than using conventional chargers.

Fully Automatic Operation

The SC-1200A/CA automatically switches from Continuous Charge to Float-Mode Monitoring, which allows the charger to maintain the battery when fully charged. The SC-1200A/CA resumes continuous charging when the battery becomes discharged.

Technical Specifications

  • Input Voltage: 120V AC
  • Output Voltage: 12VDC
  • Output Power: 3A/8A/12A continuous
  • Amperage Control: Push-button
  • RoHS Compliant: Yes
  • Energy Star Compliant: No
  • Certifications: UL, CUL
  • Warranty: 2 Year
  • Dimensions: 7.6" x 3.5" x 9.8"
  • Weight: 3.1lbs

Customer Reviews

Most Helpful Customer Reviews

446 of 450 people found the following review helpful By Brad on April 22, 2013
Verified Purchase
light weight and fool proof.

Some people complained it will not charge a totaly dead battery.
This is safety feature so it will not turn on if nothing is hooked up it.

To charge a dead battery - you have to give it a little pre charge to get it to about 1 volt so the charger knows something is actually hooked up to to it.

To do this:
1. unplug charger from wall
2. hook battery to charger
3. press and hold "display" and "type" button at the same time
4. while holding those buttons - plug the charger into wall.
* this will bypass safety features and charge the battery even if it is dead (assuming the battery can be charged at all)
- do not run in this mode for more then 5 minutes or you can damage unit and battery.
- this will get the battery enough of a charge so that the charger can detect a battery is hooked up to it (1 volt) .
5. unplug charger from wall.
6. wait 30 seconds and plug in charger into the wall. This will put it back into 'regular' mode and start charging your batter properly

Good luck!
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156 of 166 people found the following review helpful By Aodhhan on March 9, 2010
Forgetting to remove the negative connector before storing my vehicle for the winter; the internal sytems and alarm drained the battery, and of course it was sulfated. This unit worked like a charm. The battery was down to 8 volts/15%. The SC-1200a properly began to charge, then desulfate, and slowly was able to get the battery back to 98% before I removed it to start the car. This took approximately 17 hours (700 CCA Battery), which isn't bad for a dead/sulfated battery using a charger costing less than $50. The plus is you can use it to maintain your battery on a vehicle you do not drive much. Keeping your battery charged above 98% can greatly extend the life. How long it will the charger last running 24/7? ...I do not know yet. I have only had it maintaining the battery for 3 weeks, but still no problems. It does have a cooling fan which probably should be cleaned/vacuumed occaisionally; and I've never felt the unit being hot to touch. Not sure what problem the first reveiwer had, or if the unit he had was defective or dropped before he purchased it. For a $50 charger which maintains and also desulfates a battery, you cannot beat it.
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110 of 118 people found the following review helpful By DISenchanted on January 26, 2012
Put a new battery in a family member's vehicle.
Then the vehicle set idle in a family member's driveway for about 6 months.
(because they neglected to start and run the vehicle every week or two, the battery had fully drained)
Went to try and turn it over and nothing!
No dash lights, no dome lights, nothing.

I initially tried to charge this dead battery with an old style charger (one that weighs like 10 lbs+), a vector brand.
Set the charger to the 8amp charge setting.
After a hour or two there was no noticeable change in the battery.
When vehicle's battery cables were reconnected it still could not even begin to turn over the vehicle.

I had my doubts that something so lightweight like this schumacher 1200 could do better than an old school battery charger.
(I know that in theory, these newer tech chargers should be able to charge a battery more accurately and efficiently due to the
solid state circuitry they utilize vs the old style chargers).
So I went ahead and hooked up this Schumacher 1200 and toggled it through the various modes.

I finally set it to the desulfation mode. I heard the cooling fan kick on low and then high.
According to the digital display it was cycling between 12 to 16 volts. I let it run for about 3-4 hours.

I removed the schumacher 1200 and hooked up the vehicles battery cables again.

The vehicle easily turned over, just like someone had installed a new, charged battery into it.

This was rather impressive because the manual stated that the desulfation mode would toggle to the regular charge mode after desulfation was finished. Then when the battery was fully charged the charger's LED would go green.
Read more ›
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84 of 93 people found the following review helpful By scott sharber on March 26, 2011
Verified Purchase
Some people seem to want to only write reviews when they have a bad experience or have animosity toward the manufacturer of the product. The fact is, this charger, and all Schumacher chargers, are backed by a 5 year warranty. Youll have a hard time finding many manufacturers who will stand behinf their products for that long, especially when they are electronically, computer controlled devices.I ordered two of these as I have a diesel with two batteries, plus several lawn tractors and other devices which need charging from time to time. I'd had an older battery charger hooked up to my diesel truck, which just couldnt seem to ever get the batteries charged. This charger not only tests the voltage and charge percentage of the battery, but has a cooling fan which keeps everything cool.

The microprocessor controlled charger constantly monitors the state of charge and when the battery is fully charged it goes into a "maintain: float mode where it sends short pulses of voltage into the battery to keep it at 100%. It will inform you if the battery needs to be desulfated, which can happen if a battery has been discharged several times or deeply discharged, and automatically goes into a "desulfation mode" to correct this. It monitors the temperature of the battery to keep it from becoming too hot, and can handle any kind of battery, from the old lead acid batteries to the new AGM, or Absorbed Glass Mat batteries.

These chargers are exceptionally light and well built, and are backed by an exceptional warranty. And Im sure if you were to run into a problem with one, it will be taken care of with the 5 year warranty. No need to send them both back for a refund. Dont let one bad review turn you away from one of the biggest names in chargers. Ill probably be buying some more.
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Schumacher SC-1200A/CA SpeedCharge 3/6/12 Amp Charger/Maintainer/Tester
This item: Schumacher SC-1200A/CA SpeedCharge 3/6/12 Amp Charger/Maintainer/Tester
Price: $30.13
Ships from and sold by