Used Elite Four - The most advanced Lobster tennis ball machine
T POWER AC Adapter for Lobster Elite 1 Tennis Ball Machine, Model 3 Tennis Ball Machine Parts: Powertech Sealed Lead Acid 12V 1Amp Cat. No: MB-3526 APP NO: N19029 (Barrel tip) ONLY
Amazon.com: K-MAINS AC Adapter Charger Power Supply for Lobster Elite 1 Tennis Ball Machine Model 3 : Electronics