Apple MacBook Core 2 DUO 2.26GHZ 13.3 inch Unibody A1342(EMC 2350*) battery,63.5Wh battery for Apple MacBook Core 2 DUO 2.26GHZ 13.3 inch Unibody A1342(EMC 2350*) laptop (6 cells,10.95V)
Amazon.com: GHU New Battery Replacement for A1331 Compatible with Apple MacBook Unibody 13 A1342 (Late 2009& Mid 2010) MC516LL/A MC207LL/A Battery Only fit 661-5391 10.8V 58 Wh : Electronics
Best Buy: AGPtek Apple Macbook 13" Aluminum Unibody A1278 MB771 MB771LL/A Battery Replacement LA15-GL-B
ScienceMan Lesson - Unibody MacBook Pro Hard Drive / Battery Replacement - YouTube
Rechargeable Compatible A1331 Li-Polymer Batteries Replacement for Apple MacBook PRO Notebook Computer Laptop Battery - China Laptop Battery, Laptop Battery for Apple | Made-in-China.com