The Lobster external battery packs allows you to extend court time from your Elite Series machine.

The external battery pack will provide you with an additional 4 - 8 hours of court time. The external battery pack includes a large 18 amp sealed lead-acid battery, battery cord with connector, XLR adaptor, 1-amp fast battery charger, and canvas carrying bag with shoulder strap.

The external battery pack can be used with any Elite Series tennis ball machine.