AUCTION IS FOR  2015 APPLE MACBOOK AIRDEVICE TURNS ON, WE ERASED THE OSX, REINSTALLED . WENT THROUGH SETUP PASSWORD IS 12345THERE IS SOME EVIDENCE OF LIQUID DAMAGE ON MAINBOARD ON FAR LEFT SIDE SEE PHOTOS. KEYBOARD KEYS SEEM TO WORK FINE NO STICKINESS.  NO FURTHER TESTING DONE. WE WERE ABLE TO REINTALL OSXNO FURTHER TESTING DONE. NEEDS REPAIR OR USED FOR PARTSWE HAVE NOT TESTED THIS DEVICE ANY FURTHER NO MAKE ANY GUARANTEES ON BATTERY OR ANY OTHER COMPONENTS. NO RETURNS NO REFUNDSNO FURTHER TESTING DONE, SOLD AS IS.NO GUARANTEES ON ANY PARTS.NO AC ADAPTER INCLUDEDSOLD AS IS, FOR PARTS OR REPAIR.  NO RETURNS OR REFUNDS.