Mi Battery LCB755 7.6v 38.75wh / 5099mah Lipo Laptop Battery, Suit for Apple, Notebook, Netbook, Laptop Computer Application, Length/Breadth/Depth 290mm. Mi Battery 7.6v 38.75wh / 5099mah Lipo Laptop Battery Suit (LCB755). Laptop Computer Battery suitable for Apple MacBook Air.