Definitely not your usual EV: China begins sea trial for world's largest electric ship — Ning Yuan Dian Kun is longer than a football field, weighs 10,000 tons, and uses 10 container batteries with a total 19MWh capacity
China has begun sea trials for the Ning Yuan Dian Kun, the world's largest electric ship, which is over 128 meters long and weighs 10,000 tons. The vessel is powered by ten containerized batteries with a combined 19MWh capacity and can reach speeds of 11.5 knots. It features innovative battery-swapping technology and solar panels to support onboard electrical systems.
- ▪The Ning Yuan Dian Kun is 128 meters long, longer than a standard American football field.
- ▪It uses ten containerized batteries with a total capacity of 19 megawatt-hours, equivalent to about 250 Tesla 75kWh batteries.
- ▪The ship is equipped with two 875-kilowatt permanent magnet motors for propulsion.
- ▪Battery replenishment can be done via high-voltage shore connections or by swapping all ten battery containers at the dock.
- ▪Solar panels on the ship support onboard electrical loads during operations.
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Pro Definitely not your usual EV: China begins sea trial for world's largest electric ship — Ning Yuan Dian Kun is longer than a football field, weighs 10,000 tons, and uses 10 container batteries with a total 19MWh capacity News By Efosa Udinmwen published 1 May 2026 Solar panels support onboard electrical loads When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Baird Maritime) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Ning Yuan Dian Kun, a 10,000‑ton container ship, is powered by the equivalent of 250 Tesla‑grade batteriesIt can swap all ten batteries at the dock…
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