The Pickleball Tutor External Battery Pack will keep your Pickleball Tutor running for longer than ever! Attaching to the machine through the charging jack, this 12-pound pack will provide users with an additional 4-6 hours of power. Coming in a black carrying case with a handle, this battery is protected and easily transportable, making it perfect for practice sessions. This battery is for the battery-powered model and works with both oscillating and non-oscillating versions. Please note, returns on this product incur a 10% restocking fee and it is exempt from RR-series promotions.