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Griffin PowerBlock Dual Universal Charger for MP3 Players and USB Devices (Black)

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List Price: $24.99
Price: $10.99 & FREE Shipping on orders over $35. Details
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Sold by Berry's Best and Fulfilled by Amazon. Gift-wrap available.
Want it tomorrow, April 25? Order within and choose One-Day Shipping at checkout. Details
  • Charge MP3 players and other USB devices, two at a time
  • Delivers safe charging levels for most USB devices from almost any wall outlet
  • SmartFuse circuit-breaker protection means no fuses to replace
  • Compact for travel with fold-flat blades
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20 new from $3.65 6 used from $1.98 1 refurbished from $6.00

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Frequently Bought Together

Griffin PowerBlock Dual Universal Charger for MP3 Players and USB Devices (Black) + PowerJolt Dual Universal Micro + AmazonBasics USB A to Lightning Compatible Cable - Apple Certified - Black (3 Feet/0.9 Meter)
Price for all three: $36.77

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Product Information

Technical Details
Brand NameGriffin Technology
Item Weight1.6 ounces
Product Dimensions5 x 1.4 x 7.1 inches
Item model numberNA23061
Number of Items1
  
Additional Information
ASINB003SX0O2K
Shipping Weight1 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableJune 18, 2010
  
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Product Description

Plug PowerBlock Dual into your 100 to 240 volt AC power outlet and charge two USB devices while you use them. Works as a charger for many devices that charge via USB; just use the cable that shipped with your device and plug it into either of PowerBlock's industry-standard Type-A USB ports.

Customer Questions & Answers

Customer Reviews

Very well made.
Terry
Hence the reason for 2 stars instead of 1.
C. Allred
This device did not have 1 amp per port.
Fredric E. Calev

Most Helpful Customer Reviews

40 of 40 people found the following review helpful By D. Redwood on October 31, 2010
Verified Purchase
I bought this PowerBlock Dual Universal Charger to run my HP Multimedia USB powered speakers but hoped to be able to run my iPad as well. The iPad uses a 2.1 amp charger and the USB powered speakers requires 1 amp.

I connected both the iPad and speakers to this charger at the same time and they both worked fine. I watched a video on the iPad while listening to the speakers at a high volume to determine if the charger can handle it. It not only handled the load without any problems, but it also charged up my iPad to a full charge.

I discovered that there are two versions of this PowerBlock Dual Universal Charger. This one provides 1 amp per USB port and the other one produces only 500 ma per USB port. The good one advertises the 1 amp per USB port capability, while the other one does not. Also, this one shows the 1 amp per USB port on its packaging and on the unit itself. By all means get this better one, not the less capable one, as it can handle more devices.

I travel a lot and needed a small lightweight USB charger that can power my USB speakers, which saves weight and space. This can help avoid paying overweight charges at the airport which can be quite expensive (some portable speakers have a heavy power supply or built-in rechargeble battery that you must carry around). Also, I like the fact it can handle an input of 100v-240v so it can be used in any country.

Update: My daughter liked this charger so well that she got one for herself to power her iPhone and HP USB Mini Speakers. These mini speakers produce great sound from the iPhone, and this charger will power the mini speakers and charge the iPhone at the same time.
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51 of 56 people found the following review helpful By Anh Lai on August 29, 2010
Verified Purchase
This supposedly has 1 amp per port. This is false, it does not. I have a Droid X and a Droid 2 in the house. It will not charge them both at once. They each require 850ma. It will however charge one of the Droids and one dumb samsung phone requiring much less current. This device is nice, but I wish it really pushed out 1A per port. It would work great for those who simply need to charge one smartphone and one device that requires less current, e.g. a bluetooth headset. A minor setback for me, but others may not be in the same boat.
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22 of 23 people found the following review helpful By zhuchok on September 15, 2010
Verified Purchase
Some of the earlier reviewers complained that the charger is not powerful enough to recharge combinations of certain USB devices with higher than average power consumption. I wonder if they used the previous model of the PowerBlock. I tested this charger with all possible combinations of the three USB devices I use most: Kindle 3, BlackBerry Curve 8530, and iPod Touch 64GB. In all combinations I tested, PowerBlock worked fine charging the connected devices quickly.
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25 of 28 people found the following review helpful By Charlie on June 2, 2011
Verified Purchase
I bought this after carefully reading the reviews first. I specifically ordered the 2 amp powerblock. I received it, read the packaging before opening which clearly said 2 amp total, 1 amp per port. A few days later I went to charge my ipod touch and blackberry and they wound not charge. So I put in my ipod and my sony reader, nothing. I put the reader and the blackberry, still nothing. I tried this with various combinations of other devices. When I plugged in only one device, it worked well.

Upon closer examination of the powerblock itself, it states 1 amp total. So clearly there is a problem with the maufacturer. Their packaging says one thing, while the block says another. So I can't blame the seller since they sold the correct item. So be wary and let's hope you are not the unlucky one that has the right package and wrong block.

I own alot of griffin products and swore by them, but this is disappointing.
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13 of 14 people found the following review helpful By Bud Lowe on October 25, 2011
Verified Purchase
I scoured the internet for what I thought would be the best deal on a powerful dual USB charger and settled on this one. My initial impression was good. The build quality is good, the size is nice, and I got one that says 1000mA per output (*see customer images). I used it for a week while on vacation with my wife. We each have a MyTouch 4G (Android) phone that comes with a stock 1000mA charger. This PowerBlock performed exactly like it should without any hesitation.

The problem surfaced when I took it to work with me. The whole reason I bought this was that I travel for work and have been recently assigned a Blackberry Curve 9330 (750mA stock charger) and I want to charge them both bedside in the hotel. I plugged my phones in, the Android LED lit up like it was charging, the BB clock/bedside mode activated like it normally does when charging and I went to bed. When I got up, the BB was unresponsive. Since this was the only charger I brought with my, I couldn't troubleshoot much except to unplug, replug it (didn't work), unplug/replug the PowerBlock (didn't work), and try charging the BB through my computer's sleep 'n charge USB (worked!)

Later I tested things out and came up with the following:

If I plug my Android in first and then my BB, then:
1) *My Android pops up a USB selection like it has been plugged into a computer asking if I want to tether, charge only, or disk drive.
2) The BB goes into 'bedside mode' like it's charging even though it is not.
3) If I back out of bedside mode I may or may not get a popup on my BB saying *"The charging source connected to your BB device cannot charge..." and a subsequent *"Verify that your computer is not in standby, hibernate..." message.
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