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

| 48 answered questions

List Price: $63.35
Price: $37.95 + $8.40 shipping
You Save: $25.40 (40%)
Only 5 left in stock.
Ships from and sold by Boat and RV Accessories.
  • 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
See more product details
26 new from $29.00

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$37.95 + $8.40 shipping Only 5 left in stock. Ships from and sold by Boat and RV Accessories.

Frequently Bought Together

Schumacher SC-600A-CA SpeedCharge 6 Amp High Frequency Battery Charger + 26 AH SEALED 12 VOLT DEEP - CYCLE RECHARGEABLE BATTERY + Champion WheelyBird Auto-Feed Trap
Price for all three: $551.42

These items are shipped from and sold by different sellers.

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Product Information

Technical Details
Item Weight6.5 pounds
Product Dimensions31.2 x 7.4 x 10.1 inches
Item model numberSC-600A-CA
Manufacturer Part NumberSC-600A-CA
Voltage12 volts
Additional Information
Best Sellers Rank #1,233 in Automotive (See top 100)
Shipping Weight2.4 pounds (View shipping rates and policies)
ShippingCurrently, 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.
Date First AvailableJune 12, 2007
Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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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

Charged up my dead battery, well gave it enough juice to start my car's engine in just one hour.
Nike guy
This charger works best for good batteries that have fallen "just" below the batteries ability to start the car.
Mark E. Mann
This works well as an maintenance charger for all batteries to keep them fully charged when not in use.

Most Helpful Customer Reviews

167 of 176 people found the following review helpful 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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103 of 108 people found the following review helpful By Sui Lin Chee on January 3, 2011
Verified Purchase
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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72 of 77 people found the following review helpful By sir_cheapy_software on August 14, 2010
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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79 of 88 people found the following review helpful By Gaston C. Barmore on October 11, 2007
Verified Purchase
This little charger works equally well when charging and maintaining both 6 and 12 volt automotive batteries. It's a good choice for maintaining batteries in cars which are driven only on special occasions.
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36 of 39 people found the following review helpful By David on April 15, 2011
This charger works fine but a "problem" a lot of battery chargers have is that they won't charge 12v batteries with a voltage less than about 7-9v. The reason for this is because if the charger is designed for 12v batteries only, they don't want you charging 6v batteries. Additionally, you usually can't charge batteries with a voltage of less than 2v because in order to protect the user, no power is applied unless a battery is connected and at such a low voltage, the charger thinks you have the wrong battery type or no battery there at all! There is a simple solution to this problem..

If you want to charge a battery that is at a very low voltage, as low as 0V, all you have to do is get another battery that DOES have a charge, get some jumper cables, and connect the Positive to positive and negative to negative. Then hook up the charger to the dead battery (positive to positive, negative to negative) and charge at the lowest rate for about 6 hours+. Periodically, (if in a bit of a hurry) stop charging, and disconnect the good battery and check the voltage of the battery to be charged. Once the voltage of the battery to be charged gets to about 10v, you'll no longer need to keep the "good" battery hooked up and you can continue to charge the discharged battery from now on.

Why does this work? It works because by hooking up a working battery to the discharged battery and then charging with the charger, the charger detects the good battery voltage and so will allow to charge. Only advice I have is during this setup, make sure the discharged battery, while it's charging does not "bulge" or do any other odd behavior. I've charged over 30 batteries like this and only one has started to "bulge" while charging and that was probably a bad battery anyway (shorted internally).
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