Specifications: - Battery type Li-ion - Voltage 7.2V - Capacity 4400 mAH - Brand Unbranded ,OEM - Compatible Models - Apple MacBook Air 13" A1237 - MB003,MB003J/A, MB003LL/A, MB003TA/A, MB003X/A, MB003ZP/A, MC233 /A, MC233CH/A, MC233LL/A, MC233TA/A, MC233X/A, MC233ZP/A, MC234 /A, MC234CH/A, MC234LL/A, MC234TA/A,, MC234X/A, MC234ZP/A, MC503CH/A, MC503J/A, MC503LL/A, MC503TA/A, MC503X/A, MC503ZP/A, MC504J/A, MC504LL/A, MC504TA/A, MC504X/A, MC504ZP/A Compatible part numbers - A1245 What's in the box Laptop Battery