Apple This item was sourced on www.MFG.com as one of the items in an RFQ in UNITED KINGDOM for Computer Batteries Buyer is in search of an Apple computer battery. P/N 661- 1028 Part Part Number: 661-1028 Material: Laiton Material Grade: Technical Specifications Category:Computer Batteries Dimensions0.0 x 0.0 inch Annual Usage:20.0 Are you looking for suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) to provide manufacturing services for machine tool industry, automotive industry? For more information visit MFG.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your online quoting experience Computer Batteries: Batteries are electrochemical cells that translate chemical energy into electricity. They can be found in various shapes and sizes for different applications.