HUA-X battery project reference / Amsterdam, Netherlands

Weather-Resistant Batteries Support an Amsterdam Delivery Fleet

An Amsterdam operator equipped 320 delivery vehicles with 64 V / 50 Ah packs, supporting 78 km of average daily travel in a wet, cool urban environment.

A delivery rider beside a green electric two-wheeler near an Amsterdam canal.
Illustrative project scene.

A working battery exposed to weather every day

A delivery operator in Amsterdam used electric two-wheelers for postal and parcel work. Vehicles averaged 78 km a day and returned to the depot for overnight charging. Rain, moisture in the battery compartment and cool winter temperatures were central to the specification.

The operator selected 64 V, 50 Ah packs with a 3.2 kWh rating and IP67 protection. The objective was to keep the daily route practical without making battery removal or charging a recurring disruption.

Environmental performance and charging protection

In the project's wet-condition test, inspection after 20 minutes of operation through 25 cm of standing water found no internal condensation. At an ambient temperature of 2°C, measured discharge capacity was 93% of the reference capacity.

The battery-management arrangement prevented charging below 0°C and resumed charging after the battery environment warmed. This treated cold-weather charging separately from the vehicle's ability to operate in cool conditions.

Fleet outcomes

The project purchase price was €332 per battery, and the annual replacement rate was 6%. The operator subsequently secured three municipal delivery contracts using its electric fleet.

The route and climate jointly shaped this battery specification. Daily distance, overnight charging and exposure to water shaped the installation as directly as voltage and capacity.

Project FAQ

Questions about this project reference

Configuration, application and operating conditions for this project.

Does the wet-condition test mean riders should drive through deep water?
No. The reported test describes a specific exposure and inspection result for this installation. It does not establish a safe water depth for the complete vehicle or justify intentional immersion. Battery sealing, vehicle electrical equipment and the conditions of use remain separate considerations.
Could the battery operate at 2°C but refuse to charge below 0°C?
Yes. This project treated discharge and charging as different operating conditions: measured discharge capacity at 2°C was 93% of the reference capacity, while the battery-management system prevented charging below 0°C. Overnight depot planning therefore needed a suitable charging environment as well as enough time before the next route.

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