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Huawei unveils DC ESS solution and 800-ampere liquid-cooled charging to overcome grid capacity constraints

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Huawei’s new liquid-cooled ultra-fast charger delivers 200km of range in five minutes for commercial EV fleets.

As a solution provider, innovative solution enabler, and industry ecosystem builder, Huawei Smart Charging Network provides the FusionCharge Solution across four major application scenarios: in-transit, destination, fleet, and residential. Huawei is dedicated to working with partners to build a smart charging network favoured by vehicle owners, friendly to power grids, and efficient for CPOs — creating an open, cooperative, win-win ecosystem for sustainable mobility.

At Power2Drive, part of the Smarter E exhibition in Munich, Huawei showcased breakthrough solutions, including liquid-cooled ultra-fast charging dispensers and integrated DC energy storage systems that overcome grid limitations, positioning itself as a comprehensive ecosystem provider rather than a traditional charging infrastructure supplier.

FusionCharge liquid-cooled ultra-fast charging

The solution consists of liquid-cooled power units, liquid-cooled DC charging dispensers, and boost DC charging dispensers, giving drivers fast charging, low noise, and lightweight charging cables. A power sharing matrix, intelligent power scheduling, and modular design allow flexible configuration across dispensers, helping stations improve turnover and helping CPOs achieve stronger business outcomes.

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This year’s dispensers push capability further: Liquid-cooled DC dispensers now reach 800A, and boost DC dispensers reach 600A. A megawatt charger has also launched in China, ahead of field testing before introduction to Europe.

Four core values:

  • Better experience: Up to 720kW total power, 800A max current on a single dispenser, adding 200km of range in 5 minutes. Wide 150–1000V voltage range; noise below 55dB thanks to full liquid cooling.
  • Optimal ROI: Power sharing matrix improves utilisation, reaching efficiency of up to 96%.
  • Superior quality: Liquid cooling isolates components from wet dust and salt fog, extending service life to 10 years and cutting maintenance costs.
  • Long-term evolution: Modular power units, dispensers, and ESS upgrade smoothly – fast charging can become ultra-fast charging without secondary investment.

The solution has achieved prime-level safety certification from TÜV.

One-stop PV+ESS+Charger solution

Huawei integrates PV, ESS, and charging into one solution, building a grid-friendly smart network for a better user experience and faster business growth. Building on its AC ESS+Charger offering, Huawei’s new DC ESS+Charger Solution delivers high capacity even with limited grid power — a key advantage given Europe’s ageing, slow-to-upgrade grid infrastructure.

Four core values:

  • Reduced grid constraints: Only 50kW required, eliminating capacity-expansion applications.
  • More grid-friendly: A DC bus connected to DC BESS resolves energy export issues entirely.
  • Improved ESS efficiency: One less conversion stage lifts efficiency to 92.1%.
  • Rapid deployment: No power distribution construction needed — site build time drops from months to weeks.

Applicable scenarios:

  • New construction (e.g. residential communities, gas stations): works within typical sub-240kVA grid capacity, pairing 240–720kW power units with 1C DC ESS, cutting payback by 1.5 years versus industry average.
  • Reconstruction: Reusing existing 240kVA capacity and cabling with a DC ESS can expand a site from four to 12 parking spots, each delivering up to 600kW.

Success story: Icemakers EV winter testing station

In Arjeplog, Sweden, 50km south of the Arctic Circle, Icemakers has run one of the world’s most renowned winter proving grounds for over 50 years, entering EV winter testing in 2011. Huawei provided a one-stop battery storage and charging solution enabling faster, cost-effective deployment despite limited power supply. Liquid cooling and intelligent temperature control isolate sensitive components from extreme cold, proven at temperatures as low as -33°C.

As Huawei puts it: “We’re jointly charging the road ahead with our partners, on a mission to achieve high-quality charging anywhere.”

To find out more, visit Huawei’s website.

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