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Schumacher SEM-1562A 1.5 Amp Speed Charge Maintainer |  | Brand: Jensen
Category: Automotive Parts and Accessories
List Price: $59.80
Buy New: $24.23
as of 7/30/2010 22:41 CDT details
You Save: $35.57 (59%)
New (21) from $24.23
Seller: ANTOnline
Rating:  47 reviews
Sales Rank: 151
Platform: No Operating System
Color: Black
Media: Automotive
Shipping Weight (lbs): 2.5
Dimensions (in): 7 x 4 x 11
MPN: SEM1562A
Model: SEM-1562A
UPC: 026666707176
EAN: 0026666707176
ASIN: B0009IBJAS
Availability: Usually ships in 1-2 business days
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| Features:
| • | 6-volt and 12-volt battery charger; automatically changes from full-charge to float-mode monitoring to prevent overcharging | | • | Ideal for keeping batteries charged while in storage | | • | Rugged plastic housing | | • | Includes charger, jump cables, ring connectors | | • | 7.1 by 10.5 by 5.9 inches; 5 pounds; 1-year limited warranty |
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| Editorial Reviews:
Product Description
Float-mode monitoring keeps 6 & 12 volt batteries fully charged; Auto-switch from Full Charge to Float-Mode Monitoring; LEDs indicate: Charging, Charged and Trouble; Quick-Disconnected Harness - Snap connectors in seconds - Use 50-amp clamps or permanently attach to hard to reach areas; Maintain batteries on seasonal equipment; 1.5 amp charger & maintainer; Reverse-polarity protection; Perfect for small batteries
Amazon.com Product Description
Schumacher's SEM-1562A low amperage charger is an ideal way to maintain a battery's charge for people who don't use their vehicle everyday, who go short distances, or who do lots of stop-and-go driving. It can also be used to charge small batteries for ATVs, motorcycles, snowmobiles, and lawn tractors, or even for batteries that have a long storage time. In cold climates, they're indispensable for keeping batteries warm overnight and ready for starting. 
The SEM-1562A charges both 6-volt and 12-volt batteries. | Features
The SEM-1562A maintains both 6-volt and 12-volt batteries, keeping them at full charge using float-mode monitoring. The unit will automatically switch from full-charge to float-mode monitoring when the battery is charged to prevent overcharging. Smart display LEDs indicate whether the unit is in charge, charging, or trouble modes. Versatile
The SEM-1562A is perfect for charging small batteries, maintaining small and large batteries kept in storage, and batteries for motorcycles, classic cars, TVs, and boats. It's small enough to fit under the hood of your car or truck. Safe and Effective
The unit has a quick disconnect harness for easy removal. Use the 50 amp clamps to connect to the battery or permanently attach the ring connectors--great for hard to reach motorcycle batteries. It also has a reverse hookup protection in case the clamps are accidentally connected to the wrong terminals. Warranty
Every Schumacher power source comes with a one-year limited warranty (90 days on battery).
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| Customer Reviews:
Showing reviews 1-5 of 47
 Beware-- SEM-1562A does NOT have float mode! July 30, 2010
Mark Seecof
Beware-- the Schumacher SEM-1562A does NOT have a float mode and will NOT safely maintain stored batteries. The manufacturer has invented the phrase "float mode monitoring" to mislead buyers. To "float" a battery means to prevent it from discharging by applying a steady voltage at very low amperage. When a battery charger is in "float mode" the battery neither charges nor discharges, so it will last a long time because batteries age and wear out with each discharge-recharge cycle. The Schumacher SEM-1562A does NOT have a float mode. Instead, according to the documentation packaged with it, the SEM-1562A charges up any attached battery then turns off the charging voltage. The device then monitors the battery's own voltage until that falls significantly (indicating partial discharge), at which point the SEM-1562A re-charges the battery. That is to say, according to Schumacher, the SEM-1562A device CYCLES the battery. Instead of extending the battery's life, this process will SHORTEN THE LIFE OF THE BATTERY. Since true "float mode" chargers are most desirable and the SEM-1562A lacks float mode, Schumacher has evidently decided to mislead buyers by redefining the technical term "float" to mean "discharge" in the phrase "float [discharge] mode monitoring."
If you want a small charger with a proper float mode, consider the Battery Tender 021-0128 Battery Tender Plus 12V Battery Charger.
 Dissapointed June 11, 2010
Richard W. Bridges
1 out of 3 found this review helpful
Inexpensive to buy, but this unit had a faulty cord that prevented the battery from charging. Called the manuf after playing wit it for two weeks and found out if you can't show a receipt of purchase they won't stand behind the warranty. You get what you pay for I guess
Won't charge a dead battery May 25, 2010
WayneF (TX)
2 out of 3 found this review helpful
It is a maintainer, not a charger. This unit is great for topping off a battery, and/or maintaining one in storage. No issue with that, but it will not charge a dead battery. At a very low battery voltage like 10.6V, it simply turns on its RED LED and shuts off - no go, unusable. That was on an unusually small car battery, for a Prius. I think it is cooling problem, because in final desperation, I set it up on end, with LED at bottom, and hot transformer at top, then it managed to work. Set it back flat, and it turns off.
Disappointed.. risk is that it may not be there for me when I most need it.
 They work great for me May 2, 2010
Single Male 37 (North Dakota)
I bought 2 of these chargers and they have worked great on the batteries in my boat, 4-wheeler, scooter, motorcyles, garden tractors, and stored car. I haven't used it on a 6V battery yet so I don't know how the auto select feature works. I wish they included more plugs for all my vehicles.
Hook it up and forget about it. March 11, 2010
Bruce K. Bourgeous
0 out of 1 found this review helpful
This battery tender has worked fine for my motorcycle and auto batteries. I like that fact that it includes both a slow (1.5 amp) charge mode and a monitor mode so you can hook it up to a slightly under charged battery and forget about it. It will charge the remaining capacity and then switch to maintenance mode. Has worked fine so far.
Showing reviews 1-5 of 47
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