1、For OS X Laptop: This 6559mAh laptop battery is specially designed for OS X Laptop in 13 inch(end of 2013, middle of 2014, beginning of 2015). 2、Charge Cycle: This for A1502 battery supports over 500 times charge cycle. Excellent performance in terms of capacity and internal resistance. 3、High Safety: This for A1582 laptop battery has overcharge protection, overheat protection and short circuit protection. 4、Reliable Material: This battery for A1502 is made of reliable material, which ensures stable performance. 5、Warm Tip: Please identify the model and year of your laptop and make sure they are compatible with this battery. Item Type: For A1502 Battery Material: ABS Application: Suitable for A1502 and for A1582 Laptop Polymer Lithium Battery: 6559mAh (Only Battery) 1 x For A1502 Battery 2 x Screwdriver Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.