The Rechargeable Battery Pack Kit enables accelerated recovery treatment in any convenient location by powering the Game ReadyŽ System for up to 7 hours of continuous operation. Fully charges in 4 to 5 hours. Includes AC charger and connector cable. Availability: Usually ships the next business day Rechargeable Battery Pack Kit 573197$308.00 ©2017 CoolSystems, Inc. All rights reserved.