Per Apple MacBook Air 13" M4 A3240 Batteria Portatile 4600mAh 53.8WH Nuovissima
Capacity: 53.8Wh /4600mAh. Picking a battery only by laptop model can result in buying the wrong one. Check your original battery model.It's best to compare your original battery with ours. B.Next, check if the battery is properly installed.