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Hyperion T-Mobile Samsung Galaxy S II 4G 2 x Battery + Charger **NOW WITH NFC CAPABILITIES**

3.9 out of 5 stars 42 customer reviews

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  • Batteries for T-Mobile Samsung Galaxy S II 4G only.
  • 2 x 1800mAh Battery and 1 x Universal Wall Dock Charger. Do not need to change back cover.
  • Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.
  • Easily swap your battery when your charge is low.
  • For other Samsung Galaxy SII Hyperion Batteries SEE: For AT&T Galaxy SII: ASIN B005XOHQ6Y / For Sprint Epic Touch 4g Galaxy SII: ASIN B005X9GDMW / For International i9100 Galaxy SII: ASIN B00563JE8K

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Product Features


Product Description

*Fits original back cover. Battery Cell Type: Lithium-Ion Voltage: 3.7V Capacity: 1800 mAh. Actual battery life will vary depending on your specific hardware and software configurations and network conditions. Built-in overcharge protection. Charger Input: AC100-240V worldwide use; 50/60Hz 0.15A Output: DC 4.2V 350mA *For use only in T-Mobile Samsung Galaxy SII 4G Phones.

Product Information

Product Dimensions 3.7 x 2.4 x 1.3 inches
Item Weight 10.4 ounces
Shipping Weight 10.4 ounces
ASIN B005ZSKN0E
Item model number HP-50
Customer Reviews
3.9 out of 5 stars 42 customer reviews

3.9 out of 5 stars
Best Sellers Rank #377,944 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
#20,599 in Cell Phones & Accessories > Cell Phone Accessories > Accessory Kits
#377,914 in Electronics > Cell Phones & Accessories

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
(Long Term Review, April 2012) These batteries are sized snug compared with the OEM battery and they seem to discharge faster, which suggests the hold less energy overall. The charger it came with is black and did NOT have the adjustable pins as shown in the images here. Given the misrepresentation, I am taking one star away.

There are different schemes for keeping these new phones working. I found this to be very reasonable in price and flexibility. Some like to carry an additional universal batter which can charge the phone while it is running. Others provide a larger battery and case to accommodate the bigger bulge of the battery. I find having multiple batteries best for my needs. Carrying an additional battery is easy and this charger can charge both the phone and an additional battery.
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Verified Purchase
Not a bad charger for the price and what you get, but it has two shortcomings. It takes about 2-3 times longer to charge than charging the battery in the phone. Also the charger indicator is a bit inconsistent as it often indicates that the battery is charged when in fact it is not. This is a pain because I often have to go back-and-forth with a battery between the charger and my phone to see if it is charged.
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Verified Purchase
The batteries shipped out bagged with the charger and came in a box from amazon in fine shape. I charged them as follows, one on the wall charger provided and one in my phone on the usb wall charger from Samsung. Both were charged up in the morning and one of the batteries was perfectly like the Samsung ones, while the other was a little iffy at first but I charged it and recharged it after a few usage times it has gotten up to the other battery life. The charger is working good and works fine on the wall with all the batteries I have at the house, no problem there either. Overall they are a fine working set their is some fading on my stickers but( inconsistency in the color ) which I was a little surprised by but has not impacted the performance.
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Verified Purchase
I bought these for my husband because he has bad luck with battery life on his phone. He has it charge it multiple times a day. Since I have gotten these, he uses the two plus his and is good for the day. He listens to alot of music so it causes his phone to drain faster. I would recommend these since they come with their own charger and very easy to use!
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Verified Purchase
Lets face it, the battery life on Android phones pretty much suck after a few months of use, no matter what you do to improve it. An easy fix, which no iPhone user can do, is buy this product. I always have a backup battery in my laptop bag...on heavy use days I may have to bust it out, but for the most part it sits there as insurance for when I need it. Same for at home...it's a quick 30 second swap and you're back to 100% while the stand-alone charger does it's thing on the used battery.

I notice absolutely no difference between these batteries and the OEM one, for what it's worth.
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Verified Purchase
I bought these batteries for my wife's Galaxy S2 a few weeks ago and have not had any problems with them. The batteries were in good condition with no defects. The charger was a little difficult to figure out at first but once I did they worked perfectly. The charger is also universal so you can use it with other similar style batteries if needed. The added bonus of NFC meant that there was no loss of functionality from the Samsung versions. You can't beat the price for 2 quality batteries with NFC and a universal charger.

Charger instructions: Holding the charger upright, slide the pins all the way to the left. Hold the battery with the front label facing the charger. Attach the battery to the charger with the far left pin touching the far left contact on the battery and the second pin touching the contact second from the right, adjust pins as needed to fit the correct contacts. The light on the charger should turn blue. Plug in the charger and the light should turn purple when charging and blue when fully charged.
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Verified Purchase
Pros: Battery life is excellent. Last as long as the original. 5 STAR

Cons: The Charger. The USB plug on mine did not work. When plugged in it won't charge the phone. I'm assuming I just got a defective unit. Also if the USB wire is plugged in the charger with or without it plugged to the phone the wall charger will not charge the external battery. The last thing is that this charger seem to be a universal charger where you have to move the pins around to line up with the battery. This can be very annoying if your consistently charging your external batteries because sometimes you will not be able to line it up on the first try. 1 STAR
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Verified Purchase
One of the two new batteries fully charged the first time I plugged it in, and it lasted well. But then it wouldn't charge a second time. The other new battery included in the package wouldn't fully charge at all; after 14 hours it was showing as 1/4 charged on my phone's meter, and died after about 30 minutes.

I know that new batteries take a while to reach their full charge-holding potential, but these experiences are disconcerting. What really convinced me to return the product, however, is that the wall-charger couldn't re-charge my OEM battery even after ten hours of charge.

I may have received a set from a defective batch, but the fact that both the charger and the batteries don't do the job makes that unlikely.
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