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HUA-X battery project reference / Hai Phong port, Vietnam

Opportunity Charging Replaces Battery Lifting at Hai Phong Port

A Hai Phong container-yard operator adopted 80 V / 560 Ah lithium packs for heavy forklifts, replacing crane-assisted battery changes with scheduled charging during shift handovers.

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A worker connecting a parked forklift to charging equipment in a Hai Phong container yard.
Illustrative project scene.

A heavy battery change consumed working time

A container-yard operation at Hai Phong port used heavy forklifts for approximately twenty hours a day across two shifts. Its previous 80 V, 700 Ah lead-acid battery groups weighed 2.1 tonnes and required crane handling for replacement. Each exchange took around 25 minutes.

High humidity and salt exposure created a second maintenance burden, with terminals requiring cleaning every quarter.

Charging fitted around shift handovers

The project adopted 80 V, 560 Ah lithium packs rated at 44.8 kWh, paired with 30 kW charging equipment. Drivers connected the trucks during forty-minute shift-change windows; the recorded replenishment was 30% of capacity per stop.

The operating schedule used two such top-up periods a day and removed the routine crane-assisted battery-exchange process. The pack installation included protective coating and sealed terminal treatment for the port environment.

Less battery handling and terminal maintenance

After two years, the terminal inspection found no green corrosion. The project also recorded annual maintenance savings of US$4,200. The initial order supplied twelve packs at US$9,800 per pack.

Charging access and environmental protection supported the port duty while removing a recurring battery-lifting process from the daily work schedule.

Project FAQ

Questions about this project reference

Configuration, application and operating conditions for this project.

How did opportunity charging remove crane-assisted battery changes?
The port used two forty-minute shift-change windows to replenish the installed packs instead of lifting out a 2.1-tonne battery group. Each recorded stop restored 30% of capacity. This kept replenishment within the work schedule and removed a recurring handling operation; it was not a claim that two short stops fully charged a battery from empty.
Why did the port specify coating and sealed terminals?
Humidity and salt had required quarterly terminal cleaning with the former installation. The replacement addressed that exposure through its protective coating and terminal treatment. After two years, inspection found no green corrosion. The result applies to that protection arrangement and maintenance environment, rather than every lithium pack used near the sea.

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