tennis bag

Provides an additional 4-6 hours of battery power for a Tennis Tutor. A nylon carrying case houses the battery and a built-in Smart Battery Charger.

Plugs into an AC outlet to provide continuous operation for battery-powered Tennis Tutors. Comes in a nylon carrying case.

The External Battery Pack from Tennis Tutor plugs into the battery charge jack providing up to 4 additional hours of playing time.