The Hot Box 600 Portable Power Station is a great tool for those serious about improving their game while traveling, at the ball field, or at home with limited access to an electrical outlet. The Hot Box 600 is designed to run the following Heater pitching machines for 4 hours ran consistently on a full charge: > Power Alley 360 Lite Baseball Machine > Slider 360 Lite Machine > Power Alley Pro Machine > BaseHit Machine > Power Alley 360 12" Softball Machine It will also run the following machines for 2 hours ran consistently on a full charge: > Heater Double Play Pitching Machine > Heater Jr. Pitching Machine > Heater Heavy Duty Baseball Machine > Heater Pro Curveball Pitching Machine > Heater 12" Softball Pitching Machine > Heater Combo Pitching Machine For other models, please visit the Heater Sports portable power stations page. With a lightweight design at only 6 lbs. and a small compact size of 9" x 9" x 4" the Heater Hot Box 600 is the most convenient battery pack on the market for Heater metal machines. Hot Box 600 also includes a foldable carrying handle which makes transportation, use, and convenience priority. Hot Box 600 includes dual A/C outlets to plug your pitching machine into and a simple on/off switch to power it up. As it runs, the digital LCD displays the remaining battery power life so you know exactly how much time is left before a recharge is needed. To recharge, simply plug the provided adapter into the Hot Box and the opposite end into your A/C outlet plug at home. Within 6 hours the Hot Box will fully recharge and be ready to use again. The Hot Box can be used for other applications as well such as charging your phone, tablet, laptop, and many more items for multi-use convenience. Specs: > 300 Watt Inverter (Peak 600 Watts) > 60 Amp Hour Battery