Morewer New Laptop Battery for Apple A1245 MacBook Air 13" A1237 MB003 MC233 MC234 MC503 MC504 MC504 MacBook Air 13 inch Laptop Battery (Li-Polymer 7.4V 56Wh) Top Power Laptop Battery for Apple MacBook Air 13" A1245 A1237 MB003 MB003J/AMB003LL/A MB003TA/A MB003X/AMB003ZP/A MC233*/A MC233CH/AMC233LL/A MC233TA/A MC233X/AMC233ZP/A MC234*/A MC234CH/AMC234LL/A MC234TA/A MC234X/AMC234ZP/A MC503CH/A MC503J/AMC503LL/A MC503TA/A MC503X/AMC503ZP/A MC504J/A MC504LL/AMC504TA/A MC504X/A MC504ZP/AZ0FS Replacement for Apple A1245 A1237 Genuine Original Battery Li-ion Technology 4-cell 7.4V 56Watt-Hour Battery Color:Black 100% MOREWER BRAND, 30 DAY MONEY BACK OR EXCHANGE, 14 MOUTHS WARRANTY AND LIFETIME TOP POWER TECH SUPORT. 100% FREE STANDARD SHIPPING FROM U.S.A, 1 BUINESS DAY HANDLING TIME.