Editorial Product Review:

Item Description:
2/10/20/40/100 Amp 12 Volt Smart Battery Charger Fully automatic/high frequency 12V Smart Battery Charger. Alternator voltage check. Instant engine start (Rapid Charge). Short circuit and reverse polarity protection (No Spark). Built in battery reconditioning (Desulfate). Three stage automatic rapid charging. Lightweight, high efficiency design. Cables and clamps self-stored. Charging complete indicator. 400 Amp rated clamps. Compensates for low AC from extension cord use. Microprocessor control (Digital Smart Control). High frequency power conversion technology. Heavy-duty rated, 5-yr warranty.

Amazon.com Item Description:
When your car battery goes dead, a jump-start is only a quick fix for the problem that may reoccur. The solution is to recharge the battery, using a product like the Black & Decker Smart Battery Charger.

Fully Automatic Charging
The Smart Battery Charger is fully automatic and electronic, with a Digital Smart microprocessor control and an LED indicator for selecting your charging rate. The three stage automatic rapid charging operates at 40 amps, 20 amps, 10 amps, and 4 amps, with an average 5 minute engine start time and 4.5 hour full battery charge.

The Smart Battery Charger features 3-stage recharging technology. View larger.

This device also features a reverse hook-up warning alarm.

The LED display lets you know when the battery is fully charged.

Works with Any Vehicle
The Smart Battery Charger is ideal for any 12 volt lead-acid battery types, including those that power cars, boats, lawn mowers, RVs, ATVs and more.

State-of-the-Art Technology
It uses a 3-stage automatic high-frequency charging technology to build the battery back up to its normal output level, making it more efficient at charging than conventional model chargers.

Built-in Safety Precautions
The Smart Battery Charger also has a spark-resistant reverse hook-up and overcharge protection circuit built into it to insure that the clamps are not accidentally affixed to the opposite terminals, which would damage the battery. The automatic float mode monitoring tells the unit when the battery is ready to avoid overcharging.

Warranty
Black & Decker offers a full 2-year warranty.


What's in the box
The Black & Decker Smart Battery Charger unit and heavy-duty cables and clamps.



Accessories available:
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Accessories available:

• Battery Bug Starting BB-SBM12 Battery Monitor

Product Availability: Usually ships in 24 hours

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Customer Rating: - Limited
This is a good charger but not great. The smart aspect of this charger sometimes doesn't let me charge batteries that can still be rescued. The low jump start amp rating is also limited to small passenger cars and won't kick over my camper or a large pickup.

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Customer Rating: - a great value
Looked at getting this from a variety of sources, but the price at Amazon couldn't be beat! Excellent battery charger... will recommend and would purchase again.

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Customer Rating: - Excellent product!
Finally found a charger that actually works as described! I bought it to charge my motorhome batteries at a fast clip from my generator when out in the boondocks. However I use it for all my other needs now. The desulphation mode added additional capacity to my six year old trojan deep cycle batteries in the motorhome so now I can go for four days dry camping without needing a recharge from using tv etc. I told my brother about it and now he has one also with the same results. It is a powerhouse in a small package.

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Customer Rating: - Design Faulty
I bought this to trickle charge my car that I rarely drive. This battery has "Float Mode" that is supposed to do this. The instructions say it should go into this mode automatically after fully charging. I waited days but it never switched to Float Mode; meanwhile the built in fan is running 24/7. So I emailed B&D for help. The gal who replied, Barbara Barr, didn't know the product, and on top of it, insisted all new batteries, my Die Hard included, are Gel type. I went back and forth with her for days, telling her that a Sears battery dept head told me they only make Wet type. What's more, I can take the caps off the cells and see the liquid. She insisted it was a Gel type. I gave up on the online support and called the help number on the instructions. Nobody at their call center knew much about this charger. They set up a call back from someone at their headquarters. It took a couple of days to talk due to time differences. This man, Robert, was helpful and knew the product. The instructions should have explained that the charger switches to Float Mode only after the you first fully charged it, then left it hooked up while the battery slowly loses its charge. Once it falls below 12.6v then it should go into Float Mode. In this mode, as its topping up the charge, the fan comes on, but should go off in between. The design flaw is, the built in fan stays on 24/7 until the charge falls below 12.6v even if this takes weeks. The fan is to cool the CPU, but should only need that when the charger is charging and generating heat. It should have been programmed to turn the fan off while its waiting to go into float mode. Or, it should go into float mode immediately after it fully charges. Or, they could give you a manual switch to put it in float mode.
They could of had a good product. Its so close. Yet, its flawed. I'll keep it because there are no good alternatives in the same price range. But you have to tolerate the bad design.