The MacBook Battery S2406 - OEM Quality has the following specs: Capacity and Voltage: 53.13 Wh, 11.55 V, 4600 mAh. Compatible with MacBook Air 13" M4 A3240 (2024). The battery is covered with a 1-year product warranty. The warranty does not cover man-made damage or wear and tear. To be used with MacBook model number: A3240