800V and megawatt charging: what fleet buyers must price

Fleet and rental buyers will price this shift in minutes, not in kilowatts: 10% to 70% in 4 min 30 s, 97% in about 8 minutes, peak above 1000 kW. Geely's 2.25 MW unit puts those numbers on a charger you can order, and the useful question is not the peak but whether the car in your yard can accept it.

The hardware is moving from option to standard. 800V models should reach 25% to 40% of 2026 sales in China, roughly 3.95 to 4.6 million cars; city NOA sits above 30%, with May 2026 at 25.7% on a narrower base; L3 approvals went to the Changan Deepal SL03 and Arcfox Alpha S6 in six pilot cities.

Run the depot maths. On a 75 kWh pack, 10% to 70% is 45 kWh, and 4.5 minutes implies an average near 600 kW. The same 45 kWh takes about 54 minutes on a 50 kW DC unit, a 49 minute gap per stop. At 0.45 €/kWh that stop costs about 20 €, while one extra rental day a week at 80 € returns it monthly.

Capability is not experience. A megawatt post only delivers with an 800V car attached; a 400V model charges at its own ceiling. Local 350 kW-plus density is the precondition: European trunk corridors are filling in, secondary routes lag. The car sets the ceiling, the network sets real turnaround, and residual value rewards the car that meets both.

Ask the OEM for the full 10-80% curve rather than the peak figure, then check 350 kW coverage segment by segment on your three busiest routes. Write a charge-time clause with penalties into fleet contracts, pilot 20 units, and validate on measured turnaround before signing the annual frame.

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This article is published by EZ Auto. EZ Auto (Cheyixing Automobile Import & Export) specializes in exporting Chinese vehicles — new, used and parts — serving Latin America, Central Asia & CIS, Africa, the Middle East and the EU, with order-based sourcing, inspection with photo report, export documentation and ocean freight in one place.