Schumacher SC-200A 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 2-amp trickle for 12-volt batteries and 4-amp trickle for 6-volt batteries
• Ideal for 6 and 12 volt batteries

I purchased this unit two months ago, and I have used it twice since then. The first time, I used it to charge my Lincoln, which had a defective battery. I didn't think the problem was with the one and a half year-old battery, but it was. It took all night to charge it, and the battery seemed OK for a few days, but went dead again. I then replaced it.

The second time, I used it to charge my van. I inadvertently left the key in the accessory mode, and, when I discovered it, the battery was as dead, and I mean DEAD. It was as if there were no battery hooked-up at all. To my surprise, the unit charged my van in only a few hours. I expected it to take longer.

I, especially, like the added features: Auto Start (doesn't supply current to the battery clips until a battery is properly connected); offers three connector options; no problem if you mistakenly reverse battery connections; automatically detects and corrects a sulfated battery; and does not need to be monitored can be left connected practically forever. It automatically switches over to Maintain Mode.

All-in-all, this is a great little unit, and, because of the reasonable price, should be in everyone's garage waiting for that unexpected moment.

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I have owned this model for over three years and have it connected to a pair of golf cart batteries I use for backup power. It has operated 24/7 all this time and the batteries perform like new. Even though this is listed as a trickle charger, it cycles on and off as needed to maintain a float voltage.

I have also connected this to my Watts Up Pro power meter and tracked cost of operation. Maintaining these 220 amp hour batteries cost about 30 cents per month at the .09 cents per kilowatt rate. I don't use this to recharge the batteries after running them down, as it would take far to long. Not sure why they call this Speedcharge, but it would work well for slow charging smaller batteries.

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I hook it up to my antique car and the battery is charged all the time. Thought it didn't work when I first bought it because it didn't charge the battery overnight. Takes a while the first time but will keep it charged after that. It was a bargain.

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I am writing my review not to describe the product so much (which is great) because the same reviews you just read before mine do that, I bought it because of those reviews. Rather I want to answer 2 questions I had that where not the clearest, or at least answered to my satisfaction.

Yes this works on cars. I plugged in my Lumina sedan that had a failing alternator and it charged the battery up over night. Went from 11.8volts to 12.7volts.

Yes you can charge your car by plugging it into the cig lighter port. As long as your port has constant power! That is, your car off and key out, you still have power there. Leave the charger outside the car though, you never know...

Just wanted to help others who may have had the same concerns I did before I could test it. And oh yes, this thing is tiny! Figure the same footprint of a paperback book.

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This Schumacher SC-200A Speedcharge Charger/Maintainer is exactly what I needed. The day it was delivered, I thought the guy had the wrong house because the package was so small I wondered what could this be? Did I forget I ordered something else? I was so ready for disappointment that I did not open the package until 3 days later. I finally said I may as well open it up because it cost too much to return it maybe I can use it for something else. So I took it out of its packaging, set this little box on my kitchen table, and it sat there for a week or more.

Finally, and with my grass needing cutting badly, I took the charger out of the box, read the instructions (so simple and easy), hooked the charger to my riding lawn mower battery, and to make a looong story short IT WORKED !!!!!

This charger is so powerful to be so small!!! Now I don't have to use my SUV to charge my lawnmower battery I have a Schumacher SC-200A Speedcharge Charger/Maintainer, and it is GREAT !!!! My riding lawnmower cranks NOW without being charged. And for extra battery maintenance, I keep the charger connected, at intervals, when I am not using my riding lawnmower.

Great investment !!!!