No one likes to have their training session cut short. With the Tenniix swappable battery pack, users of the Tenniix Ball Machine can quickly swap their machine's battery, giving them 4 more additional hours of battery life. These battery packs are easily interchanged, and are the perfect complementary item for those intending to use their Tenniix ball machine for several hours over the course of the day. Great for coaches, clubs and facilities using Tenniix products.

-1 battery per pack.
-4 hours of battery life.