Separate identity from present operation
Battery identity concerns the fitted unit and replacement history. Present operation concerns faults, charging behaviour and inspection observations. Longer-term reliability cannot be guaranteed because the car operated normally during one visit. Ask the inspector to keep those conclusions separate.
When a health percentage is supplied, request the tool, date, vehicle reference and explanation of what the figure represents. A screenshot without context can be difficult to interpret. Numbers produced by different methods may not measure the same thing. Retain original reports for a qualified reviewer rather than relying on a rewritten sales summary.
Read records with the physical findings
Request available service and repair evidence, including work on the battery, cooling or charging components. Compare it with the actual car and declared mileage. Record missing information as a gap; do not convert silence into a clean-history statement. Seller disclosures and documented repair invoices carry different evidential weight.
Qualified personnel should assess accessible underbody and enclosure condition within the vehicle inspection. Photographs should identify findings and locations. Do not ask unqualified people to dismantle high-voltage equipment. Damage, leakage or warning messages require appropriate evaluation before acceptance.
Keep conditions attached to observations
A charging record can establish that a specified session completed and whether warnings appeared. A road observation can document operation during that test. Neither is a full capacity measurement unless an appropriate capacity assessment was performed and described.
Keep charge level, temperature context, route and load with consumption observations. A short lightly loaded journey cannot prove performance in another climate. A full dashboard estimate is not evidence that a used car will reproduce a brochure range. The charging guide provides a separate framework for the intended equipment combination.
Use findings to define acceptance
Decide what evidence is required and what happens when it is incomplete: clarification, additional inspection or a different candidate. If preparation is proposed, identify the work, responsible party and completion record. A promise to check the battery later needs a defined decision point to have practical value.
For a batch, keep a battery record for each vehicle. Representative inspections cannot certify unexamined units. Connect reports with the offer and declared condition. The condition guide explains why unused vehicles still require status and pre-delivery checks. Acceptance should reflect actual findings and limitations, not an unsupported assurance that every battery is equivalent.
Example: interpreting two different reports
Two sellers provide a battery percentage, but one supplies a dated diagnostic report and the other sends a cropped screenshot. Do not rank the cars on the percentages alone. Ask for the method and vehicle reference behind each result, then have an appropriate reviewer assess comparability. If the second seller cannot provide context, preserve that limitation in the offer. Additional evidence may change the comparison; an unexplained number should not be promoted into an inspection conclusion merely because it appears precise.
Model reference: GAC’s AION i60 presentation and AION’s manufacturer overview. Model information gives context; the offered vehicle needs its own specification and condition evidence.