Customer Rating: - Definitely the way to go.
I must say I'm very happy with this purchase.
For years I used an electric trimmer and I got so tired of extension cords I could have screamed.
I've never has a gas powered one and with the way gas prices are going, I don't think I'd want one either.
Right out of the box this thing was a breeze to get set up. The only thing that was kind of hard was the round black part at the bottom must be screwed in and the screws are a pain in the &*(^*(&() to screw in.
Otherwise, it's perfect for my yard, the battery holds its charge for the whole time I use it.
On my old trimmer when the line broke I'd have to take the bottom off and get more string to feed out.
I don't know about the tapping thing, that never seemed to work on my old one.
This one? I don't have to tap it or even bother with the string; it just feeds out by itself.
Its user friendly but a little heavy on the battery end.
Still, I recommend this for the environmentally conscious and those who don't want to mess with extension cords or (gasp) gasoline.

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Customer Rating: - Satisfied customer
The Black&Decker trimmer is great.Easy to use,and light-weight.Does a fine job of cutting,and is simple to re-charge.

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Customer Rating: - Good product, good value
I've had this for almost a month now and have used it three or four times. We have an acre lot about one-half heavily wooded, so about half an acre of grass. The battery powered trimmer is light and easy to use and quite powerful. It comes with two batteries and I'm still working off the original charge of one battery and it is showing no deterioration in power. I recommend it for anyone except those having a very large area to trim.

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Customer Rating: - Cordless weed whacker
I really like the trimmer, and I got it because of the size and the two batteries. I still must have too much to trim, because one battery is not enough, and I have to wait until the next day for the other battery to be fully charged. I will just have to buy another charger, or another product with batteries and charger included.