NZbattery.co.nz is your best source for long life APPLE Macbook Air 13.3-Inch laptop batteries. We supply high quality replacement batteries for thousands of APPLE Macbook Air 13.3-Inch laptop models. Each of our APPLE Macbook Air 13.3-Inch laptop battery packs is made with the Grade A+ battery cells from leading manufacturers. They are engineered to meet or surpass OEM specifications.