WLtoys RC Airplane Battery 2pcs/ 7.4V 300mAh Li-Po Battery for F959 F959S Aircraft Spare Parts XK A800 A600. Features: 1. Suitable for WLtoys F959 F959S Aircraft XK A800 A600. This Accessory is designed for WLtoys F959 F959S Aircraft XK A800 A600.Made of high quality material, durable and practical to use.