The Crusher 4 Hour Rechargeable Battery is specifically designed for the Crusher Mini-Ball Machine, Fireball Mini-Lite Ball Machine, and the Scorpion Soft Toss Machine. Both the Crusher and Fireball pitching machines have two built-in compartments for 1 or 2 Crusher 4 Hour Batteries, giving you up to 8 hours of hitting time. The Scorpion Soft Toss machine also has a single compartment for the Crusher 4 Hour Battery which allows the Scorpion to operate for 8 hours.With the lightweight portability of Trend Sports’ Mini-Ball and Soft Toss Machines and the convenience of the Crusher 4 Hour rechargeable battery you can improve your hitting anywhere.Use the machines in the garage, park or your own backyard.Features• 4 Hour Rechargeable Battery• Recharges Inside The Pitching Machine Using Standard A/C Power Adapter• For Use In Built-in Battery Compartments for Crusher, Fireball, & Scorpion MachinesBenefits• Take Anywhere 4 Hour Rechargeable Battery• Recharges While The Machine Is Plugged Into Any Wall OutletKey Specs:• Model #: CR25• 4 Hour Rechargeable Crusher Battery• 30-Day Money Back Guarantee - One Year Warranty• Use With Mini Lite-Ball or Soft Toss Pitching Machine