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Extended Battery + Cover Door Case For Samsung Galaxy S2 II I777 ATT AT&T 3500mAh

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  • High quality Li-Ion battery
  • Safe Built-in overcharge protection
  • Black Extended Battery back cover
  • Easy to carry, install and remove
  • Best replacement for the original battery with increased standby and talk time


  • Battery Type: Lithium Ion
  • Battery Capacity: 3500 mAh
  • Voltage: 3.7V

Package Content:

  • 1x Extended Battery For Samsung GALAXY S2 II i777 AT&T
  • 1x Battery Back Cover Door for Samsung GALAXY S2 II i777 AT&T Using Extended Battery

Quick Info

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  • adam s.
  • 9/23/2014 5:44:29 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsPerfect Replacement

Pros: The battery lasts at least 8 hours. Much better then standard battery.

Cons: Still does not last all day with out charging.

Other Thoughts: Larger back and cant use cases but not really a con for me. I don't ever use a case.

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  • John F.
  • 3/26/2013 9:10:05 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Received faster then expected, perfect fit. Longer time before charging.

Cons: Standard case won't fit because of battery is thicker

Did you find this review helpful? Yes No

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