Samsung Galaxy S II Attain SGH-i777 Extended Battery (3500 mAh)

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Samsung Galaxy S II Attain SGH-i777 Extended Battery (3500 mAh)
Item ID: 4623
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Retail Price: $39.99


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  • Extended Battery
  • Includes battery door
  • 95% MORE battery life!
  • Compatibility: Samsung Galaxy S II Attain SGH-i777 Galaxy S II Attain SGH-i777/i9100 (AT&T)
  • Capacity: 3500 mAh
  • Color: Black

Product Information

  • Product Description
  • Compatibility


  • Customer Reviews


  • Questions & Answers

    Q & A

Customer Reviews 4

4 Item(s)

Extended battery life is great
Works perfectly. Cover is a little difficult to pry, but small flathead screwdriver does the trick.
Review by Yup

Great extended battery and great value
The extended battery works great; it lives up to the claims. It is a great value. I would highly recommend.
Review by tjm1955

Great Value
The battery is large, but the case backing fits nicely over it, and I love the extended use I now get.
Review by Grizzy

extended battery
the battery seems to be working well.
Review by bgddy66

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This Original Samsung Galaxy S II Attain SGH-i777 Extended Battery will keep your brand-new innovative device operating for 95% longer! Features a capacity of 3500 mAh and includes a rubberized battery door cover.
Technical Specs

Additional Information

Product Type: Replacement and Extended Batteries
Battery Technology: Lithium-ion
Includes Battery Door: No
Primary Color Battery Door: Black
Secondary Color Battery Door: No
Color Type Battery Door: Matte
Detachable Connector(s): No
Finish: matte
Primary Color: Black
Secondary Color: No
Color Type: Matte
Weight: 4.0000
Cable: No
Coiled Cable: No
Detachable Cable: No
mAh: 3,500
Current Type: DC
Volts: 3.7
USB Port(s): No
Amount of Ports: No
OEM Manufacturer: No
LED Charge Indicator: No
LED Color: No
RoHS Certified: No
CE Certified: No
FCC Certified: No
UL Certified: No
  • Samsung Galaxy S II Attain SGH-i777
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