Identify the installed battery
Ask for a readable battery label, installation date if known, invoice and any replacement record. Capacity, technology and dimensions should be checked against the exact vehicle specification by a qualified workshop. A battery that fits the tray is not necessarily an appropriate replacement. Do not infer the required battery from a European Tayron brochure when buying a China-market vehicle. Record whether the workshop found the installed part suitable, unsuitable or unidentified; these are more useful conclusions than a photograph of a clean engine compartment.
Reconstruct the parking period
Request the last regular-use date, storage location, maintenance charging history and recent jump-start events. A seller may have charged the battery immediately before inspection, so a successful start alone has limited value. Ask when the vehicle was last driven sufficiently to reach normal operating conditions. Connect the timeline to dated mileage evidence rather than relying on the advertised age. For an unregistered candidate, include dealer storage and transport periods; new sales status does not establish a fresh battery or eliminate the need for a condition check.
Use a recorded workshop test
The test record should identify the VIN, battery specification entered into the tester, temperature where available, state of charge and the instrument's conclusion. A voltage reading and a battery health assessment are not interchangeable. A technician may need to recharge and retest before deciding whether replacement is justified. Ask for the complete result rather than a cropped green indicator. Where repeated discharge is reported, request a diagnosis of the cause; replacing the battery without investigating abnormal current draw may leave the original problem unresolved.
Observe starting and electrical symptoms
Have the inspector record the first start under agreed conditions, instrument warnings and any hesitation or unexpected reset. Check windows, central locking and other ordinary electrical functions without repeatedly cycling the starter. Low supply voltage can accompany multiple fault messages, but it should not be used to dismiss every warning automatically. Preserve the diagnostic scan before clearing faults. Compare findings with the software and assistance-system review so that a temporary voltage event is distinguished from an unresolved equipment or control-system fault.
Document replacement and adaptation
If replacement is recommended, obtain a written part specification, price and scope from the workshop. Ask whether the particular Tayron requires battery registration or adaptation and retain confirmation when that work is completed. This is a vehicle-specific service question, not a universal instruction to code every replacement. Recheck the original complaint afterwards. The final file should show the old finding, the installed part and the verification result, so a destination mechanic does not have to guess which work was performed immediately before shipment.
Plan storage through transport
Agree who maintains the vehicle between inspection and carrier acceptance and how any delayed departure is handled. The carrier's requirements and the vehicle manual govern preparation; do not improvise battery disconnection or leave an unattended charger attached. On a plug-in Tayron, distinguish the 12V plan from traction-battery requirements. Include the agreed handover state in the shipping record. A documented healthy result before shipment is a baseline, not a promise that no discharge can occur during later storage or transport.
Make a repair-or-accept decision
Consider a candidate that starts after a boost but has no battery invoice and several low-voltage fault records. A reasonable next step is a controlled workshop assessment, not an assumption that the car has extensive electronic damage or that it merely needs a cheap battery. Set a deadline for diagnosis, replacement if justified and a repeat check. Add the resulting cost to preparation expenses. If the seller cannot permit testing, record that limitation explicitly and decide whether the remaining uncertainty fits your purchasing criteria.
Buyer checklist
- Match battery technology and specification to the identified Tayron.
- Keep the full test record and pre-clear diagnostic scan.
- Resolve repeated discharge before treating replacement as a complete repair.
- Assign responsibility for storage and arrival checks.
Questions and answers
Does low mileage prove the battery is healthy?
No. Storage duration, charge history, age and test results matter. A recently charged battery should not be assessed only by whether the engine starts.
Is this the same test as a plug-in battery report?
No. The 12V battery supports low-voltage systems. A plug-in traction battery requires a separate assessment appropriate to its equipment and condition.
Reference information
Use the applicable market and year documentation for equipment and operating limits. The references have their own market and publication scope; they do not establish the condition, fitted equipment or destination approval of an individual vehicle.
Continue with the history and mileage checks, or send your vehicle requirements.