THE PORTABLE SERIES The PLAYMATE PORTABLE SERIES is the only do-it-yourself (DIY) upgradeable, battery-powered ball machine in the world. The PORTABLE SERIES has been redesigned to be light-weight, convenient to charge, and easy to use. Upgrades include a commercial remote control system, a 2-line oscillator with random, and a 6-hour battery-pack. Choose from 2 models. Start with the HALF VOLLEY and slowly upgrade or select the fully-loaded VOLLEY! STANDARD FEATURES Non-memory, Removeable Battery-Pack System SMART Charger Holds 200 Balls Variable Electronic Ball Speed and Feed Rate Variable Topspin & Backspin Commercial Pitching Wheels Pitch All Balls (Old OR New) Manual Height Control Integrated, Sliding Ball Hopper Aircraft Aluminum Consruction 2 Year Limited Warranty The VOLLEY comes loaded with all of the options. KEY FEATURES Removeable 6-Hour Battery-Pack Light-weight at 46 lbs* 2-Line Oscillator with Variable Electronic Width & Programmable Random Left OR Right Commercial Remote Control