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Lithium Ion Battery - 3.7V 2000mAh : ID 2011 : $12.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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NewerTech NWTBAP15MBU78W NuPower 77.5 Watt-Hour Li-ion Battery for MacBook Pro 15 Inch Unibody - 2011 & Mid 2012 Models
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Other World Computing NuPower 77.5 Watt-Hour Replacement Battery for all Apple MacBook Pro 15-inch Unibody Early/Late 2011 & Mid 2012 models. 1 Year Newer Technology Limited (NWTBAP15MBU78W) at TigerDirect.com
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Amazon.com: Vinpera 77.5WH A1321 A1286 Laptop Battery for MacBook Pro 15" inch (Mid 2009, Mid 2010 Version) MB985LL/A MC118LL/A MC371LL/A MC372LL/A MC373LL/A MB986LL/A MB986J/A MB985 MB986 MC118 661-5211 : Electronics
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Lithium Ion Battery Pack - Looking to calculate watt-hours from V1 to V2 - Electrical Engineering Stack Exchange
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Lithium Ion Battery - 3.7V 2000mAh : ID 2011 : $12.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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