This tennis robot can rally like a human, train and coach


We spotted the Aceii One while wandering the halls at Beyond Expo 2026, and it’s hard to slot it neatly into the usual “ball machine” category.

The Aceii One positions itself as a smart tennis partner rather than a feeding device, combining ball launching, AI vision tracking, coaching tools, and gamified training modes into a single mobile platform. The pitch is ambitious: replace predictable drills with something closer to a live rally that adapts to your level.

At the core is a dual-stage launch system that fires balls at intervals of up to 0.5 seconds, with speeds up to 80 mph (129 km/h). That alone puts it in serious training territory, but the differentiator is how it behaves between shots.

Thanks to its vertical dual-camera vision system, Aceii One tracks both player movement and ball trajectory in real time. It claims detection of shots up to 130 mph, using 1080p cameras and a 100° field of view. In practice, this lets it reposition, adjust feeds, and simulate rally patterns instead of just firing fixed sequences.

It also moves. A differential drive base lets it roll across court surfaces at up to 3.5 m/s, shifting between baseline, sideline, and service-line positions. In theory, that removes one of the biggest limitations of traditional machines: static placement.

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Where Aceii One diverges most clearly from conventional hardware is its software. It doesn’t just offer drills; it builds structured “play.” It includes three main modes: Ranking Mode, which assigns an NTRP-style level and tracks progression; Challenge Mode, which unlocks new objectives as you improve; and Battle Mode, which simulates opponents using stored or shared play profiles.

The system turns repetition into progression by layering scoring, tiers, and unlocks on top of normal training. There’s also a coaching layer via the ACEII app, which builds structured courses and feeds them into practice sessions. It can analyse shot placement, spin, consistency, and speed, then adjust future drills accordingly.

However, the most interesting claim here is real-time coaching. Every shot is said to be analysed, with feedback covering placement, spin rate, and timing. It can identify errors and suggest corrections in the next drill cycle rather than after the session ends. There’s also a “Match Play” system that shifts training into competitive formats with scoring and adaptive difficulty, based on your NTRP range (1.0 to 5.0). It’s closer to a hybrid of training machine and interactive simulator than anything currently offered by consumer tennis equipment.

Physically, Aceii One is built around portability. It uses a foldable suitcase-style chassis, weighs around 25kg, and carries up to 120 balls. The design includes foldable legs, integrated storage, and a detachable ball container. Battery life ranges from two hours in motion to eight hours in stationary feeding, with a full recharge in around two hours. It also includes safety features like instant obstacle detection and automatic feed shutdown.

Aceii One is trying to move tennis robotics away from predictable repetition into something closer to adaptive training intelligence. Whether it fully replaces a coach is doubtful, but it clearly pushes beyond the traditional “ball launcher with settings” category.

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2026 has shaped up to be a big year for Milwaukee, and the company shows no signs of slowing down as it expands its product line. For example, it has announced that some solid new Milwaukee hand tools and organizers will be arriving throughout the summer, but that’s not all. At the end of the day, you need somewhere to put all of this stuff, and while the Milwaukee Packout storage system is deep and varied as is, the company will expand the line in the summer months.

More methods for organizing your tools are on the way, too, with the Milwaukee Packout line set to introduce some new entries this summer. They vary in size, purpose, and price point, but they’re all compatible with the wider Packout line. That means they can connect to each other, making transportation easier. In some cases, they’ll be able to help keep tools and other items secure and organized while on the move. Additionally, all of these new Packout products are covered by Milwaukee’s Limited Lifetime Warranty.

So, what new products does Milwaukee have to offer from its Packout line this summer? Here are the drops you can look forward to throughout June and July 2026.

Milwaukee compact crate

Sometimes, a massive Packout crate isn’t a necessity, which is why the line has its share of smaller options. Yet another will be coming to the Milwaukee catalog in the form of the Milwaukee Packout compact crate, which is set for a June 2026 release and will cost $39.97. It has a 30-pound weight capacity, comes in at 8.75 inches tall, 9.5 inches wide, 15.5 inches long, and 3.75 pounds, and includes two removable dividers to create up to three sections within the crate. The dividers can also be customized by cutting them to size along the pre-made score lines.

This compact crate features a wide front opening for easy access to its contents while on the job, as well as a metal top handle to carry it around on its own. Should you want to add it to your current Packout stack, you can use the connection points at the top and bottom of the crate. Speaking of durability, Milwaukee notes that it has an impact-resistant body along with weep holes to prevent water collection. At the same time, there is some nuance regarding the waterproof nature of Milwaukee Packout products, so keep that in mind before letting this crate get soaked.

Milwaukee Packout low-profile crate

A shorter but equally mighty Milwaukee Packout container is also on its way to customers this summer. The Milwaukee Packout low-profile crate is the shortest of the new releases at just 6.625 inches tall, though it makes up for what it lacks in height with a 15-inch length and an 18.625-inch width. Even though it’s slightly heavier than the compact crate at 4.85 pounds, it wins out in weight capacity with a 50-pound limit. It will be released in June 2026 and will cost $44.97.

For added modularity, the low-profile crate includes three different divider types: eight short, two long, and one for the middle of the container. When combined, they form up to 12 individual sections for tool and accessory organization. In terms of connecting to other Packout containers, it can do so from the top and bottom. Alternatively, built-in side handles are integrated into the design to make it easier to carry the crate on its own. The crate has weep holes for water drainage and an impact-resistant body.

Milwaukee Packout XL crate

Moving on to one of the larger upcoming Milwaukee Packout releases — even if it ultimately lands somewhere in the middle of the smallest and largest Packout containers for sale — there’s the aptly-named Milwaukee Packout XL crate. This release will hit shelves in June 2026 and comes with a $69.97 price tag. The 8.03-pound crate can take on some serious tools with its 75-pound weight capacity. It measures 15 inches tall, 15.75 inches long, and 18.625 inches wide. Despite its size, it can be hung up on a wall like most other Packout containers.

While some may hang this crate in their workshop, many will use it as part of their mobile Packout stack. You can connect it to your existing setup via the top and bottom connection points. It can also be used with Milwaukee toolbox attachments to hold smaller tools and batteries with connection points on the sides. Alternatively, you can move the crate around using its built-in side handles. It’s advertised as having an impact-resistant body along with anti-water collection weep holes. Suffice to say, there’s more to this seemingly simple crate than initially meets the eye.

Milwaukee Packout Wire Pulling XL Crate

For the most part, the Milwaukee Packout line is so popular because of its versatility. While most entries can be used for just about anything, there are those that come with a specialized function. Case in point, the forthcoming Milwaukee Packout Wire Pulling XL crate, which is designed for dispensing wire. This involves inserting and locking in spools of the user’s needed material, threading the wire through the wire retention slots, and using the fold-down panel to keep the end of the wire from rolling back into the box.

Overall, this crate has the same dimensions and weight capacity as the previously covered Packout XL crate, though it is the heavier of the two at 9.85 pounds. It can accommodate up to six spools, can be stacked onto other Packout containers or hung up, and has an impact-resistant body. This is the most expensive of the new Packout releases at a hefty $119.97, and it’s set to release during July 2026. Alongside the best Milwaukee power tools for electrical work, this crate seems like a vital piece for any Milwaukee-enthusiast electrician’s kit.

New Milwaukee Packout inserts are coming, too

That’s it for the new Milwaukee Packout containers set to debut this summer, but there are more new releases yet to cover. To pair with some of these containers and improve their levels of organization and function, come two new insert sets. First is the divider for the Milwaukee Packout XL crate, which splits the container into two sections. It simply slides down the middle of the crate and fits snugly into place, while retaining its ability to connect with smaller Packout attachments. It will be released in July 2026 for $29.97.

Alongside the Packout XL crate divider is the set of Packout wire pulling inserts for the XL crate. You’ll need these if you end up buying an XL crate and later want to use it as a wire-pulling crate. These inserts allow you to convert it instead of having to buy a new designated wire pulling crate. They attach to two of the inner sides of the crate via T-25 screws and include wire puller guards as well. The Milwaukee product listing says these inserts are meant for 1/2-inch EMT conduit. This insert set also comes out in July and will cost $49.97. 





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