Here's the lowdown so far: 12-inch 2304 × 1440 (226 ppi) IPS Retina Display. 1.1 GHz dual-core Intel Core m3 processor (configurable up to 1.3 GHz dual-core Intel Core m7) 8 GB of 1866 MHz LPDDR3 RAM. 256 or 512 GB PCIe-based flash storage. Intel HD Graphics 515. MacBook 12" Retina (Early 2015) Battery. MacBook Battery. Replace a 4900-5200 mAh battery compatible with MacBook model A1185. Part #661-3958, 661-4254, 661-4413. Updated Version Wakeach 85W Wall Charger for MacBook Pro 15 inch Retina (Made Mid 2012-Mid 2015),Replacement for Magnetic 2 Power Adapter mbp A1398 A1424 Portable Travel Power Supply. Battery Type: N/A; Model #: SAB07Q3CW9WM; Item #: 9SIBA1GH7F0147; Return Policy: View Return Policy $ o0A6.