Schumacher SC-600A SpeedCharge High Frequency Battery Charger

• Fully automatic
• 6 amp medium charge monitors battery condition and adjusts charge rate downward to prevent battery damage, for car, truck, motorcycle, ATV, snowmobile, lawn tractor lead acid
• 4 amp medium charge has self-adjusting charge rate ideal for everyday charging needs and keeping your battery in peak condition
• 2 amp slow charge for charging small batteries and maintaining large ones, charges motorcycle, ATV, snowmobile, and lawn tractor batteries
• 50 amp clamps for top and side-mounted battery posts

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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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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I tried to start my lawn tractor recently and found that the battery was very severely DEAD!!. I went online and purchased this Schumacher SC-600A speed charger. I hooked it up overnight and that battery was fully charged and quite able to start my tractor the next morning. Great performance, and very easy to use. Next, we're going to top off the car batteries before the really cold weather sets in.

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This charger works perfectly. I have had other chargers over the years and have borrowed chargers from friends and family. The last one I used was from a neighbor and, although it said that the two batteries I tried were charged, they would not crank the car or lawn tractor at all. I put both batteries through a full charge with the Schumacher and both came up trumps. Both the car and lawn tractor fired up immediately. I returned the neighbors charger and have not looked back. It was well worth the price as I would have had to replace both batteries. Highly recommended.