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  • New Trent Power Rock Case with Extended Rechargeable Battery Juice Case 2100mAh for iPhone 4S and iPhone 4 (IMP210B/NT210B)
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New Trent Power Rock Case with Extended Rechargeable Battery Juice Case 2100mAh for iPhone 4S and iPhone 4 (IMP210B/NT210B)

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  • Extended battery juice case for iPhone 4/4S - 2100 mAh
  • Extends Battery Power: 7 hrs talk time/ 11 hrs Video Playback/46 Hours Music Playback/380 hrs standby time
  • Great as a back-up, or as a permanent power case solution; Auto power Output Control
  • Sleek, Low-Profile design; Rechargeable up to 500 times - Charges through USB Cable
  • 6 month product replacement warranty
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Product Information

Technical Details
Brand NamePowerocks
Item Weight5.6 ounces
Product Dimensions8.2 x 3.9 x 1.1 inches
Item model numberIMP210B/NT210B
  
Additional Information
ASINB00367X5YC
Best Sellers Rank #77,677 in Cell Phones & Accessories (See top 100)
Shipping Weight5.6 ounces
Date First AvailableJanuary 28, 2010
  
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Product Description

New Trent Power Rock case IMP210B/NT210B Battery Juice case
The 4rd Generation iPhone 4/4S Power Rock Case from New Trent. A must have accessory for your covet Apple iPhone 4/4S! Sleek and Portable. When you travel, the IMP210B/NT210B is the ultimate power case solution for your Covet iPhone 4/4S!

Features highlights
- The high quality iPhone 4/4S battery case protects your iPhone 4/4S in both during travel and when on display
- This iPhone 4/4S battery case comes with 2100mAh battery capacity which can give you extra back up power for your iPhone 4/4S, no need to carry an additional charger for your iPhone 4/4S .
- You can recharge your iPhone with this battery case. It can give you 11 hours video time.

Specs
- Battery Capacity 2100mAh
- Life recharge Cycle > 500 Times
- Input: 5V / 0.5A
- Dimension: 5x2.5x0.6 inch

New Trent is the trademark of New Trent Inc, exclusively marketed by authorized reseller idealpoint on amazon.com. Be sure to find the logo on both product and package to ensure 6 months product warranty

Customer Questions & Answers

Customer Reviews

I've used this product as well as other New Trent battery cases.
Alex Harsha Strong
Overall, I would recommend this product to anyone wanting to extend the life of their iPhone battery without adding a lot of size to the phone.
R. Ensign
CONS: Battery case sits flush with front face of iPhone, providing little if any protection from damage.
TY

Most Helpful Customer Reviews

154 of 162 people found the following review helpful By A. Sych on April 22, 2010
As any I-phone user knows that the battery life is terrible. I've seen several battery cases available for the I-phone and I decided it was time to get one. I looked at what was offered and found this product on Amazon. It's about half the price of the competition. Too good to be true? I read the reviews of this product and decided to give it a try. So I ordered it was delivered two days later. Inside the package there is the case, a micro USB cable and the instruction booklet. I charged the case first by connecting the provided USB cable to my laptop and it took a couple of hours for it to charge.
There are three blue status LEDs, a momentary switch and a white LED next to the camera lens on the back side of the case. When the case is charging the blue lights form a bar graph level indicator. The light closest to the switch is the 0 - 33% level indicator and the others will light up as it charges. When complete, all three light will be constantly light. The fit to the phone is good and the black plastic has a slight rubbery no slip feel to it. There is a 30 pin Apple connector on the bottom inside which mates to the phone. Inserting and removal of the phone from the case is simple.
There is an on / off switch on the bottom next to the micro USB connector. When it's in the off position, the the battery inside the case is disconnected from the phone. Normal operation is with it in the on position.
More about the the momentary switch. If pressed momentarily, the blue battery level lights indicate the battery level. If pressed for two seconds the white LED turns on. And the same to turn it off.
I-tunes sync can be performed through the provided USB cable. (no case removal needed)
During discharge the external battery is used first and then the phone's battery.
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74 of 76 people found the following review helpful By RJQMAN on November 9, 2010
Verified Purchase
I have had the case for 7 months. I like it very much but it is not perfect. The good things are;

1) The case seems very well made.
2) I like the textured feel of the case - less likely to drop it, and not prone to fingerprints and smudges. And it is slightly less likely to fall out of your shirt pocket when you bend over - although I have dropped it a couple of times.
3) It protects the phone from drops and most types of damage very well. The phone almost bounces - and I have never had any physical damage to my phone since I put it in this case. But it does not protect the phone from water damage if you drop it into water. Sigh. I know that for sure. But that is another story for another time.
4) The built-in case battery seems to double the life of the battery - more than enough for a day's usage 99% of the time for me. I never attempted even a quasi-scientific measurement, but from my usage pattern, that appears to be the case.
5) It has an on-off switch - not absolutely essential, but it is nice to have some control.
6) The LED indicator system displaying battery life works well.
7) The connector is a standard 5-pin mini USB connector.
8) You can sync the phone, charge the phone, and as far as I can tell do the same tasks you would do if the phone was not in the case.
9) If you want to take the case off, it is fairly easy to do, and yet the case stays securely attached to the phone unless you want to take it off.
10) The case covers the back of the phone from top to bottom and overlaps all four sides - unlike many cases that only cover the bottom half of the phone and overlap only three sides. That makes it a much better choice as a protective case, in my view.
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21 of 24 people found the following review helpful By Josh Grabmiller on August 19, 2010
Verified Purchase
This case comes packaged well. Fits phone well, even with phone armor. Charges up on about 6 hours. Lasts about the same. Maybe alittle less. Without the secondary battery my phone would last about 6 hours. Now it lasts about 12. Strong with a good finish. Some places are wearing but overall good case.
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8 of 8 people found the following review helpful By JJ on November 3, 2011
Verified Purchase
Length: 2:25 Mins
I bought this product along with the IMP99D for my trip to Europe.

This product is prefect minus the fact that it does not stop charging once the iPhone is 100% charged. The best feature of the IMP99D is that once it finishes charging your device, it stops charging. This product does not do that. However, this is still a good product. I also hada Charge Block case that I bought from Buy.com that acts in the same manner. I lost that one however, and decided to try the IMP220B because I hated the case design of the Charge Block.

Pros:
--fits iPhone 4 perfectly
--gives iPhone 4 ~ 1 complete recharge
--doesn't interfere with reception that much
--charging status is easy to see
--knowing how much battery remains is easy to see
--hard to accidently turn on.
--cannot accidently turn on charger with iPhone out of the case. IE phone must be in the case in order for it to turn on. This is pretty awesome!

Cons:
--does not automatically shutoff
--does interfere a bit with reception.
--uses mini usb and not normal iphone port

I realize I put "interfere with reception" as a pro and a con. Here is my logic behind that. At work, I get horrible reception, maybe reception 80% of the time. If i used the case, I get reception maybe 50% of the time. However, if I am somewhere where the reception is halfway decent, I do not experience any negative effects.

Compared to the Charge Block, this case rules. The main two reasons are 1) the fit/design of the case 2) you cannot accidently turn the case on.
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