Schumacher SC-300A Speedcharge Charger/Maintainer

• Ideal for small motorcycle, ATV, snowmobile, and lawn tractor batteries
• Maintains small and large batteries
• Includes a quick harness with 3 connectors
• Provides 3-amp trickle for 12-volt batteries
• Ideal for 12 volt batteries

I got this for the same reason anyone would want a charger/maintainer... and that is to charge a battery and keep it there. I have a classic British sports car that I rarely drive, and until I started using this charger I would return to my car to a dead battery. This charger/maintainer comes with everything you need to quickly connect and disconnect this item, in 3 different ways: eye hole connectors to permanently attach the quick connector to your battery for very easy use, large alligator type clips for temporary use on a car that you want to just charge the battery on, and for super easy use there is a plug for use in the 12volt power outlet or cigar lighter. It has power sensing, so you cant over charge, and it will maintain the proper voltage for as long as it is connected. The wires are long enough from the charger itself to stretch across any car, and the power cable is about 8 feet long. Great little charger/maintainer. I would recommend this to anyone.

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I love this little guy! When I store my tractor over the winter, the battery loses it's charge to the point it won't turn over. The SC-300A can be plugged in all winter to maintain its charge safely.

The good: It comes with quick release cables that attach directly to your battery so that you have a solid connection to the charger. I wouldn't use the claws for seasonal storage as they could disconnect or short. Even during the cutting season, I plug it back into the charger/maintaner to keep the battery at full charge. They include a cigarette lighter attachment for folks who need to take it on the road. I never tried it so I can't comment on how good it is.

The not-so-good: None as far as I can tell. I think Schumacher makes a good product and it's a perfect size for a shelf near your tractor or other battery equipment. Don't expect to be charging full size batteries but I'm sure it would work in an emergency if you had nothing else around.

My rating: 5-Stars you can't go wrong and the price is great along with the peace of mind buying with Amazons return policy.

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Charges quickly and I do like it's compact size.

With 3 riding mowers, 2 jet skis, 1 boat, and

5 cars, this charger is more than handy. Price

is more than reasonable as well........

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I was all ready to purchase a new bike battery, when I saw the reviews on this battery charger, and thought I would try it. After 2 hours of charging a completely dead battery, my motorcycle started right up. Great little charger.

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The SC-300A is a gem! We own a mint pre-2000 Pontiac Grand Prix GT that has the wonderful feature of U.S. Gov't approved (or perhaps dictated) day and night safety running lights that can never be turned off! Wonderful if you drive like a nut or on long trips and need a mothership of lighting others can see all the time, but not so good if you drive around town on short trips and even the best alternator can't power all those running lights, internal dome and door lights, ignition, battery, fans, bla,bla,bla. Did I mention we have a detached, unheated garage and live at 42' North latitude in a snow belt?

Enter the SC-300A.. While the documentation is poor and repetitive legal ease warnings abound, perhaps what's missing mostly is a detailed description of what the three lights on the unit represent when the thing's hooked up. It's paramount that the unit be hooked up the battery to be charged FIRST... This gives this genius a test scan of the battery condition, shorts etc. Once this is done you'll see no indication it's hooked up correctly until the charger is plugged into AC. At that point, the amber charging and green light briefly come on, then the green light stays off and the amber stays on. Depending on the condition of the battery, the amber light will stay on until the battery reaches a safe pulse charged level followed by the unit alternating to green and back to amber, then from amber back to green until the battery is fully charged. But this is also a battery maintainer, so the green and amber lights continue to alternate as long as the unit is connected to the battery and you'll quickly discover the green light remains on for some time when your close to or fully charged.

Incidentally, if you ever see the red light come on, quickly disconnect the charger at the AC end then at the battery and check your connections and battery for a short.

It took about 10 hours to fully charge a 550 CCA battery that was about 25% depleted.

It is safe to leave the charger on indefinitely as a maintenance trickle. Other high amp quick chargers can damage batteries by drying them out and often aren't smart enough to step down, shut off, or maintain a safe regulated trickle.

I also discovered that because the unit is fairly RF noisy, I could actually monitor the pulse charging over an AM radio low end 530 band while in the comfort of my warm house.

Downside of this product: Made in China