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Schumacher SC-600A-CA SpeedCharge 6 Amp High Frequency Battery Charger

4.3 out of 5 stars 755 customer reviews
| 63 answered questions

Price: $40.02 & FREE Shipping on orders over $49. Details
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  • Fully automatic
  • Microprocessor-controlled to automatically adjust amperage rate
  • Auto Voltage Detection automatically detects 6 or 12 Volt battery
  • Float mode monitoring to maintain optimum battery charge
  • Reverse hook-up protection provides added safety
41 new from $36.22 3 used from $34.02
$40.02 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Product Information

Technical Details

Brand Schumacher
Item Weight 2.4 pounds
Product Dimensions 31.2 x 7.4 x 10.1 inches
Item model number SC-600A-CA
Manufacturer Part Number SC-600A-CA
OEM Part Number SC-1000A
Voltage 12 volts

Technical Specification

Warranty [pdf ]

Additional Information

Customer Reviews
4.3 out of 5 stars 755 customer reviews

4.3 out of 5 stars
Best Sellers Rank #9,998 in Automotive (See top 100)
#67 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power > Battery Chargers
#72 in Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Battery Packs & Chargers > Charger & Converters
Shipping Weight 2.4 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 Available June 12, 2007

Warranty & Support

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


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Product Description

Product Description

Schumacher SC-600A-CA is a 6 Amp fully automatic battery charger. This microprocessor-controlled charger automatically adjusts the amperage rate to charge and maintain the battery, and features Auto Voltage Detection to automatically detects 6 or 12 Volt batteries. This charger also features multi-stage charging for added precision, safety and battery life, and includes float mode monitoring to automatically maintain optimum battery charge. The reverse hook-up protection feature provides added safety, making it so that the charger will not operate if the clamps are applied incorrectly and notifying you with a flashing LED indicator.


The Schumacher SC-600A-CA SpeedCharge is a fully automatic battery charger that uses advanced technology to charge up to twice as fast as conventional chargers. It automatically adjusts charging modes to efficiently charge and maintain connected batteries. 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. This unit is also energy efficient.

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

Microprocessor-controlled to automatically adjust amperage rate. In 6-amp Fast Charge mode, the charger monitors battery condition and adjusts charge rate downward to prevent battery damage for car, small truck, motorcycle, and lawn tractor lead-acid and AGM battery types. The 3-amp Medium Charge is a self-adjusting charge rate that's ideal for everyday charging needs and for keeping your battery in peak condition.

Sturdy, Built-In Handle

The built-in 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-600A-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-600A-CA automatically switches from Continuous Charge to Float-Mode Monitoring, which allows the charger to maintain the battery when fully charged. The SC-600A-CA resumes continuous charging when the battery becomes discharged.

Technical Specifications

  • Input Voltage: 120V AC
  • Output Voltage: 6V/12VDC
  • Output Power: 3A/6A continuous
  • Amperage Control: Push-button
  • RoHS Compliant: Yes
  • Energy Star Compliant: No
  • Certifications: UL, CUL
  • Warranty: 2 Year
  • Dimensions: 6.9" x 3" x 7.5"
  • Weight: 2.1lbs

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Mary Farrell on April 4, 2009
I purchased the product from Walmart for about $30.00. I purchased it as a compliment to a more powerful but not automatic charger I already have. My main purpose is to keep boat batteries charged during the off season. After reading the instructions and hooking it up it went through the charging and stopping cycles as indicated in the user's manual. All of the indicator lights worked as stated in the manual. So far I have charged two batteries. I hooked them up in the evening, the indicator light showed they were at about 75% charge. By morning they were fully charged and the charging cycle had stopped. According to the user's manual once the charging stops it goes into a maintainance mode where it monitors the battery and when it falls below a pre-set charge, it begins a recharge cycle again. The automatic function is nice because you dont have to worry about over charging. The 6 ft power cord and 6 ft charging cables are convenient because I could charge my boat battery in the garage without having to use an extension chord. I have only charged two batteries but so far, so good.
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Schumacher's basic charger - 6V or 12V, 2A, 4A & 6A charge rate. Automatic charger that charges, then goes to maintenance mode. Their more expensive chargers have higher charge rates (10A & higher) and additional built-in metering like voltmeter to test state of charge, etc.
I am using it exclusive for my 2 cars in the winter. Went on vacation and returned 6 days later to find the car wouldn't start when the trunk lid (truck light) was left open. With regular below 32 degree weather in the winter in Wash DC, bought this to maintain the 2 car batteries. After jump starting my wife's car, decided to buy this to charge the battery and monitor battery condition (can't leave her stranded or home alone with a dead car battery).

Instructions were simple, but use caution anyway. Charger had approx 6 feet alligator clip cables to connect to battery and keep away from battery (acids, fumes, etc.). With negative-grounded car, attach red clip to positive battery terminal, then black clip to ground (charger must be unplugged from AC). Then plug into AC. Charger has "connection" indicator tyo show a battery is recognized. Then select 6V/12V, then select charge rate (2A or more). When charging, has "charge" indicator light and 3 lights (25%, 50%, 75%) to show progress. When fully charged, 3 progress lights go off and green "charged" indicator lights up and it goes into maitenance mode. Unplug the charger, then disconnect the 2 clips from the battery.

The unit has a five (5) year warranty; very few electrical/electronic devices now have a warranty beyond 1 year. Even the big appliances like washers, dryers, dish washers now come with just 1 year -- the manufacturer effectively increased the price by 10% which is about the repair rate for the 3rd to 5th years.
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Purchased this charger but when I removed it from the box I was very skeptical about its quality, it seemed too lightweight. Once I hooked the device to a battery I had in an old Mustang that had been sitting around forever and had absolutely no charge in it the device went into its repair mode. Its built in micro-chip recognized that my battery had such a low charge that the plates inside of battery had become sulfated so it automatically switched from my setting of a regular 10 amp charge to its desulfation mode and proceeded to repair my battery. It took close to six hours for the device to repair the battery but once again, with no input from me it changed back to its normal 10 amp charge mode that I had initially selected. I left the charger on overnight and in the morning it was fully charged (A green LED starts to shine), sometime during the night, after the charger recognized the battery was fully charged, it switched again this time to its maintain mode. When the charger charges the battery to its full capacity it shuts itself off but continues to monitor the batteries voltage, if battery voltage starts to slip under 14 volts charger turns back on and sends the battery short pulses of energy to maintain the battery at full capacity, this is its maintain mode. The reason for the short pulses of energy instead of its normal straight charging mode is to prevent the water in the battery from bubbling up and evaporating away which would happen if a normal charger was left charging a battery for more than a couple of days.Read more ›
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I am a practicing Electronic engineer with more than 20yrs experience. I did not know much about battery chargers until recently researching what a good modernd battery charger should do.

I like this charger and think it does a good job for the PRICE (11-27-12). Gold box special was $25.25 + tax. (I would likely buy it at the regular price for $31.65)
It's basically semi-automatic. You do have to set the current otherwise it will default to 2A. When I 1st used the charger the voltage defaulted to 12V. There is a button to select 6V or 12V. You won't damage anything if you reverse the clips accidently (I tried it intentionally). Compact size and reasonable quality clamps (not brass or brass plated though).
It does not come with quick disconnect charge connector or maintainer cable to permanently install on your battery.
Quiet: Mine has no humming or buzzing as another has noted. It does have a small fan that does not turn off, but you can barely hear it..
This charger does what it is designed for. That is charge batteries big and small and top off or maintain batteries as needed.
This works well as an maintenance charger for all batteries to keep them fully charged when not in use. After charge is complete the current shuts off and charger goes into maintenance mode where it monitors battery voltage and starts charging again when the battery drops below a preset level. (should be about 12.75V)I did check the charger current and shutoff for maintenance mode. (See detail below)

The charger is relatively small, light weight and feels feels reasonably well built with medium weight plastic. The charger has a small cooling fan and does not get warm after charging at 6A. The battery clamps are not great but good enough.
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