The Playmate Volley Portable Ball Machine is one of two offerings in the Playmate Portable Series - the only do-it-yourself (DIY) upgradeable, battery-powered ball machine in the world. The Playmate Half Volley has been redesigned to be light-weight, convenient to charge and easy to use. Standard features on the Playmate Volley include non-memory & removable battery-pack system (4-6hr), SMART Charger, 200 ball capacity, variable electronic ball speed and feed rate, variable topspin & backspin, commercial pitching wheels that pitch old or new balls, manual height control, integrated, sliding ball hopper, aircraft aluminum construction and 2-year limited warranty. Key additional features include 2-line oscillator with variable electronic width & programmable random Left or Right and a commercial remote control!