I saw these items on clearance at a local home depot. I have a set of the much older but still very serviceable versapak tools also made by black and decker. These units are a higher voltage than the versapak and are also lithium ion technology would should mean a tremendous amount of run time over what the versapak offered. This is a neat little item. This unit itself doesn't come with a battery or a charger, you have to already have a charger/battery from one of the tools or buy an optional charger/battery separately. This unit has a standard two prong AC plug on it so that you can plug an AC adapter for a small device (less than 8W, very low draw like cell phones, an ipod, etc.). It also has a USB port on it so that any device with a USB plug can charge off it (USB is 5V and much less than an Amp draw so any device that can charge off USB should be ok on this device). I will use this a lot camping where AC isn't available and I need to charge my phone. I haven't had a chance yet to see how many full charges I'll get off a single vpx battery but it should easily be at least 5-10 (and I have an extended battery on my MDA pdaphone). This will be a handy gadget, Black and decker is also marketing something similar in another product but it doesn't have the interchangeable batteries, I'd much rather have this myself.
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