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  • PowerDuo Reserve
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PowerDuo Reserve


List Price: $59.99
Price: $11.25 & FREE Shipping
You Save: $48.74 (81%)
In Stock.
Ships from and sold by Seller1ON1.
  • DISCONTINUED
  • The industry's most trusted AC and 12 volt chargers
  • Charges iPhone, iPod, MP3 players, other USB-chargeable devices
  • Removable backup battery provides hours of additional use for iPhone and iPod
  • Battery is interchangeable between PowerJolt Reserve and PowerBlock Reserve chargers (chargers and Reserve battery packs are also sold separately)
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8 new from $8.45 3 used from $0.99

Frequently Bought Together

PowerDuo Reserve + Griffin Technology RC23103 PowerBlock Reserve for iPhone and iPod, 5 Watt, Black
Price for both: $46.24

These items are shipped from and sold by different sellers.

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Product Information

Technical Details
Brand NameGriffin Technology
Item Weight1.6 ounces
Product Dimensions6.4 x 5.1 x 1.5 inches
Item model numberNA23097
Number of Items1
  
Additional Information
ASINB004QKLVIK
Best Sellers Rank #238,234 in Cell Phones & Accessories (See top 100)
Shipping Weight3.4 pounds (View shipping rates and policies)
Date First AvailableMay 25, 2011
  
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Product Description

Our best-selling AC and 12 volt DC chargers together in one package. And, as if that weren't enough, you get a pocket-sized backup battery to take with you.

PowerBlock is our near-universal AC charger/adapter for USB-rechargeable devices, including iPod, iPhone, and other phones and MP3 players. PowerJolt does similar duty using the 12 volt accessory outlet of your car.

PowerBlock delivers safe power levels from almost any 100 to 240 volt AC wall outlet. In your car, plug PowerJolt into your accessory power outlet to charge your player while you use it. PowerBlock and PowerJolt both work with iPhone, iPod, mobile phones, MP3 players, and almost any other device that charges by a standard USB connection.

It's hard to imagine a situation the PowerBlock/PowerJolt power duo can't handle, but this Reserve package prepares you even for that. Take the detachable battery pack with you (it's small enough to fit in your jeans watchpocket). The Reserve battery snaps into the dock connector of your iPod or iPhone, adding hours of additional use. No more worrying about battery life; and no need to lug your charger along with you when you leave the car.

The Reserve battery works with iPhone and dock connector iPod models. Due to the placement of the headphone jack next to the dock connector, the headphone jack of iPod touch and iPod nano is unavailable while charging with the Reserve battery.


Customer Questions & Answers

Customer Reviews

3.9 out of 5 stars
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Most Helpful Customer Reviews

4 of 4 people found the following review helpful By CindyN on January 6, 2012
Verified Purchase
The good: The battery is small and light. The less then optimal: The battery pack does not provide much extra power. Reviews for this product (on Amazon and elsewhere) report it provides about 70-75% additional battery life. In 2 uses of this with my iPhone 4S, it only provided 15%-20% increase in battery power. The 15% was after the battery pack had sat about a week after being charged. The 20% was after the battery pack had been just removed from the charger and said it was fully charged. While I like Griffin products and generally find them to be of better than average quality, I think this product is a bit too expensive for the additional power it provides.
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2 of 2 people found the following review helpful By RpM on April 13, 2013
Verified Purchase
This is the second griffin charger I have purchased. The first one was for my teenage daughter, who loves this device and carries it with her wherever her phone goes. The second was for my wife, who like my daughter, would find herself in an awkward place with a phone about to die. The backup battery charges from the car charger and is fairly small so it fits in a pocket or purse easily. It provides about a 40% charge, so don't expect a full charge. The 40% charge gives them both about 2 hours of phone service, so so far it fits the need very well without being bulky. Now my grown son wants one.
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2 of 2 people found the following review helpful By jeffdowdell on February 15, 2013
Verified Purchase
Have this product for over one year and liked it enough to send it as a gift for a friend!
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1 of 1 people found the following review helpful By Blithe S. Bock on September 29, 2013
Verified Purchase
When I put this into my 3% full cell, when the "PowerDuo Reserve" was fully charged, my cell phone only got about an extra 3-5% boost.
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1 of 1 people found the following review helpful By S. Wells on April 22, 2013
Verified Purchase
Ok, I got this for our 4 hour flight and it came in handy when my daughter had 7 percent battery life and when she used this it gave her 37 percent more. Works fast and keeps it's charge even if it's not plugged in for a couple days.
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1 of 1 people found the following review helpful By YONI2012 on March 17, 2012
This battery has been charged for hours and only provided me with 20% boost. Seems useful for trips and plus it comes with wall and car charger. Didn't pay much for it but $29.99 seems overpriced for me.
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