The A1466 laptop battery replacement is specifically designed to power your Apple MacBook Air 13 inch, built to last with a high capacity of 55Wh. This Li-polymer battery ensures optimal performance while keeping your battery safe with built-in safety protection. This replacement set is compatible with MacBook Air models featuring the A1369 processor, including the 2017, early 2015, early 2014, and mid-2013 versions, providing you with upgraded battery life and performance for an affordable price.