Sports Tutor eCannon Tennis Ball Machine

By John Morris · Updated 2026-09-09 · Documentation-based research

Simple preset operation; rechargeable battery. All shots have topspin; maker does not recommend for beginners.

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What Sports Tutor eCannon brings to practice

Three speeds are 20/35/45 mph, paired with 4.25/3.5/3 second intervals. Weight 23 lb.

Ball capacity70 balls
Listed weight23 lb — Listed weight; built-in battery but weight basis not explicit.
Speed20–45 mph
ControlsThree automatic speed/trajectory/interval levels; optional external oscillator.
Battery runtime2–2 hours, manufacturer estimate; settings affect use

Reasons to shortlist it

Accept the presets as part of the design

All shots have topspin; maker does not recommend for beginners.

The eCannon is a deliberate choice for someone comfortable letting a preset determine several parts of the feed together. That can make starting a repetition session straightforward, but it limits the appeal for a player who wants independent fine adjustments. Consider the kind of incoming topspin ball you want to rehearse, since its delivery does not offer an interchangeable menu of flat and backspin shots. The manufacturer does not recommend it for beginners. If your needs include changing lateral placement, account for the oscillator accessory as a separate part of the physical setup.

Compare the controls you will use

Three automatic speed/trajectory/interval levels; optional external oscillator. Compare this control system and its limitations with another model.

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Sources and configuration notes

The details above reflect the cited configuration. A retailer’s similarly named bundle can include different extras; published battery durations are not measured runtimes from our own testing.

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