12/22/2010

Black & Decker BC40EWB 40 Amp High Frequency Battery Charger with Smart Interface Review

Black & Decker BC40EWB 40 Amp High Frequency Battery Charger with Smart Interface
Average Reviews:

(More customer reviews)
I studied up on this charger a bit before buying, as I have a lot of wheeled vehicles that always seem to have battery problems. I wanted something that would automatically shut down and prevent damage from overcharging. I wanted a charger that would quickly charge any size battery, even honking big golf car batteries. I also wanted a boost feature of at least 60A. Lastly, I didn't want to spend over $75.

The B&D BC40EWB fits the bill. Although I've only had it a couple of weeks, it seems to work great on everything. It has a very slick charge routine. It somehow senses the optimum charge rate, charges, tapers off, tops off, and shuts down, all automatically. At first I thought the display was a gimmick, as I'm highly partial to a good analog volt meter and ammeter. Turns out I was mistaken. It really tells you what's going on in pretty plain English.

The charger is so smart, and the program apparently so well written, it can handle most situations. Connect, set it, and forget it. (where have I heard that before?). It produces 110A of boost current, which will start most cars with weak batteries just fine. My old 55A started many cars, so 110A should be no sweat unless the battery is badly discharged.

The housing appears to be ABS plastic, like TV remotes. There is a pod of 5 membrane buttons for the different modes and functions, and have a satisfying tactile "clicky" quality. The cables and extension cord are appropriately heavy. The clamps are OK, being well constructed, but of copper plated steel. When plugging it in, be ready for a big POP at the wall outlet, as the apparentlylarge capacitors suck up the first jolt of current. One little thing I dislike about it, the housing is a tad top heavy. If you accidentally tug on the cord or cables, instead of it sliding, it topples over. The heavy metal parts should have been installed on the base, it indeed they're not.

The only thing holding me back from a glowing review is the unit's durability. Unfortunately, I won't be able to report on that until the unit fails, or a year or 2, whichever comes first. So far, so good! If the unit fails, I will come back and edit, or create a follow up review. Meanwhile, I really like the unit. It's well thought-out, works great so far, and I highly recommend it.

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Product Description:
Black & Decker 40 Amp High Frequency Battery Charger with Smart Interface is designed to automatically select the ideal charging conditions for the battery used in boat, lawnmower, vehicle, golf cart and many more. It features high frequency charging technology that charges up to two times faster than conventional chargers and provides pure DC output to provide a stable charge. This charger has a patented alternator check which indicates condition of the alternator and a reverse hook-up protection that prevents the damage caused by incorrect terminal connections. It consists of a digital LED display showing the battery voltage and the battery's reconditioning improves its ability to accept a charge. This charger's microprocessor automatically switches between charging mode and float mode monitoring for optimal battery life.

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