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Williams EvoJet 70eSuperyacht tender with electric drive

Ralf Marquard

 · 26.04.2026

Williams EvoJet 70e: Superyacht tender with electric drive
Williams Jet Tenders presents the EvoJet 70e, the electric version of its luxury tender. The 7.1 metre long tender combines the proven design of the EvoJet launched in 2019 with electric propulsion from EVOA. The boat reaches a top speed of around 65 km/h and offers space for up to 13 people.
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The electric motor and jet drive provide the driving fun.
Photo: Williams

Williams Jet Tenders has unveiled the EvoJet 70e, the electrified version of its flagship tender. The British manufacturer relies on the EVOA electric system for the EvoJet 70e, which offers a battery capacity of 58.5 kWh. With a length of 7.1 metres and a width of 2.65 metres, the tender weighs 2,200 kilograms. The top speed is around 65 km/h. The EvoJet 70e is aimed at yachts from 40 metres in length and can carry up to 13 people.

Electric drive meets jet propulsion

The EVOA system drives the proven jet propulsion system of the EvoJet. According to the manufacturer, this combination enables precise control at low and high speeds. The electric system operates quietly and emission-free. The EvoJet 70e is powerful and has a modern helmet design with an integrated touchscreen display that shows all relevant driving data.

Flexible space concept with 235 litres of storage space

The EvoJet 70e offers 235 litres of storage space, distributed across several storage compartments. There is an easily accessible storage unit behind the helm seat, supplemented by port and starboard storage compartments. The swivelling helm seat cushion allows both seated and standing driving positions. At the stern, the centre seat can be folded down, making it easier to board from the water. A water ski pole can be mounted there in the unfolded position. Low-level boarding platforms on both sides and strategically placed handrails simplify the transition from the yacht to the tender.

Folding carbon fibre T-top

The optional carbon T-top provides shade over the steering position and passenger area. The folding design reduces the overall height of the tender from 1.83 metres to 1.35 metres. This low design allows the boat to be stored in low yacht garages. Indirect LED deck lighting facilitates boarding in the dark and sets the scene for the tender in the evening.

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Technical specifications

  • Length over everything: 7.1 metres
  • Width: 2.65 metres
  • Dry weight: 2,200 kilogrammes
  • Total height: 1.83 metres (with T-top), 1.35 metres (T-top folded in)
  • drive system: EVOA electrical system
  • Battery capacity: 58.5 kWh
  • Maximum speed: 35.1 kn (65 km/h)
  • Propulsion: Jet drive
  • Information: Williams

Ralf Marquard

Ralf Marquard

Deputy Editor in Chief BOOTE

Ralf Marquard discovered his enthusiasm for boating on the tranquil Aller, first with inflatable boats and later with a 6-meter cabin cruiser. His electrical engineering studies at HAW Hamburg took him from the southern Heidekreis (Lower Saxony) to the Hanseatic city. Ralf Marquard has been working for the BOOTE editorial team since 1997, where he trained as a test editor. He tests both small inflatable boats and larger yachts. His personal boat is a 4.50 meter long, self-built wooden boat with a 50 hp outboard motor. In 2007, he was appointed deputy editor-in-chief at BOOTE.

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