Verification
Battery health: what to ask before you buy
Last reviewed 2026-07-08 · 7 min read
Direct answer
For used BEVs and PHEVs, ask for a documented battery health narrative (state of health where available), inspection date, and what the seller will stand behind — never rely on a vague “battery is fine.”
Why batteries are the trust battle
The traction battery is the highest-value wear item on an electrified car. Opacity around health is a major reason buyers hesitate in import markets.
What “Verified” means at ECG
Verified listings follow checklist ECG-V1.x. Used BEVs/PHEVs require a battery note; SOH percentages appear only when we have a defensible source. Incoming cars are labelled Incoming until inspection completes.
Hot climate considerations
Heat management, parking shade, and charging habits affect long-term battery comfort. We discuss practical ownership — not laboratory fantasy.
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