External AC Adapter for Tennis Tutor
External AC Power supply (Fast Charger). Plugs into outlets on the Tennis court & charges as battery wears down. If battery is fully charged when applied, enables battery to last 12 hours.
Power:AC
Dimensions:4 x 4 x 8
Playing Time:12 hours
Misc Informaton:Plug in & runs -- enables battery to run 12 hours.
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