Sports Tutor Tennis Tutor External Battery Pack (Model #ttebp)
If transporting a ball machine from your car to an AC outlet would be a problem, this option is for you. It allows Tennis Tutor Plus models to be powered by an External Battery Pack (included), which weighs only 13.5 pounds and includes a built-in battery charger. The pack is all you need to transport to/from the charging outlet. The machine, which has no internal battery, can be left in your car or parking garage.
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.
For: Tennis Tutor ProLite, Tennis Tutor Player, Tennis Tutor Plus, Wilson machines