For B2B large customer orders, a "sampling + full inspection" dual regulation is adopted. Core parameters (no major accidents, no water damage or fire) are subject to 100% inspection per vehicle; appearance and condition are uniformly graded (e.g., uniformly purchasing Grade A), and panoramic images of all vehicles in the batch along with a core indicators comparison list are provided before shipment.
The battery pack is 30–50% of an EV's value, so its inspection should be the most detailed part of the pre-shipment check. Require these items: 1. BMS data readout: state of health (SOH), full-charge voltage, cell voltage deviation, cycle count, and fast-charging percentage. SOH above 90% is good; below 80% means a costly pack replacement is approaching. 2. Physical inspection: check the underbody for pack dents, coolant leaks from the battery cooling circuit, and corrosion on high-voltage connectors. 3. Range test: a real drive of at least 30–50 km, comparing energy consumption against the rated figure. A pack with poor cells overheats and depletes fast. 4. Charging test: verify both AC and DC charging work, and record charging speed and any error messages. Get the raw diagnostic data, not just a summary. If the inspector won't share the BMS report, assume the battery is the reason why.
We conduct basic visual inspections and freezing point tests. If the antifreeze's freezing point is insufficient or the engine oil is severely degraded, we will document it. However, considering the shipping duration, we strongly recommend a comprehensive "Full Fluid Service" upon arrival.
