Home > Consumer Reviews > Black & Decker CP120B 20-Watt Power Backup Battery Pack

I, too, think this battery pack works GREAT! I tried it for my Blackberry (I let it run down as low as it would go without it shutting off) and it charged my Blackberry enough for a whole day's use, and then some. A week went by without my charging up the B&D Pocket Power before I used it again, this time on my iPod. It was still able to charge my 80GB iPod. I use my iPod for music AND videos and, with the charge from Pocket Power, I even had enough battery power to watch my videos, which is energy-intensive. I have even tried charging my Canon EOS camera battery and it extended my use of the camera. I am buying another one for my trips to Europe -- not every hotel room there is equipped with as many outlets as we enjoy here and a travelling family can only stay up so long in the evenings vying for outlets to charge their electronics. It's not that heavy or bulky to take. However, despite all my accolades, remember that the sole function of this is as a BACK-UP (note the emphasis on back-up!); you should keep it fully charged when you have the opportunity to (because it does take many hours to charge) for those times in a pinch when you need it to charge something else that you forgot or didn't have the opportunity to. Hey, life's a juggling act -- it would be remiss of me to say that a little 5x3x1 box will end all our electronics charging woes!

This is an awesome product it charges super fast. I dont know what the other reviewer is talking about i can get 2 charges out of this even when i use my extended iPpod battery this is one product every person with an ipod should have.

This battery pack has a USB port that I can confirm works with the iPhone 3G.

The battery is a 1200 mAh NiMH battery that should just about charge an iPhone 3G from 0% to 100%.

I bought three of these, and they are very useful. There is a USB port and a regular 110 plug, so you can use it with anything that will take a USB cable for power and can also use it with you regular chargers for things like cell phones, PDA's, and even the Kindle. It's a little heavy, but not bad considering that it is a battery. Nice back-up for use on an airplane if you think you might run low on battery power. I bought mine "dirt cheap" from two different vendors on Amazon. If you search for this item on the Web, you will find some outrageous prices. I think the regular list is something like $59.95, and I would never pay that. I got mine for less than $10 (I don't even want to know why they were that cheap).

Ok, I give it 5 stars although out of four I bought, two would not charge properly, but at 3.99 it was worth the extra effort to get them going. Here is the problem with some of these, the batteries have been sitting a while, so after you charge it for a few minutes, some of these may show they are charged, even though they are not. The batteries need to be cycled in these and all of mine have come back to life. Here is what you can do to help bring them back...

1) Charge unit until LED goes green (with a battery that needs to be cycled, it may show its charged after a few minutes. With battery that is in good shape and being dead, it should take around 4 hours to charge)
2) Unplug charger and turn on unit. It may go dead after a few minutes, thats OK. After it shuts itself off, wait 10 minutes.

Repeat the steps above and it should come back to life. The most I repeated the above steps were 4 times before it accepted a full charge, and all mine work now. Hope this helps someone if theirs does not take a proper charge...