Used VW ID.3 shows 100.3% battery health on AVILOO test, but experts warn figure is algorithmic estimate
By Eve
A two year old Volkswagen ID.3 with over 13,000 miles returned a battery state of health reading of 100.3% on an AVILOO flash test, prompting confusion from a prospective buyer. A former battery testing professional explained that state of health figures above 100% are possible because the metric is calculated from inputs such as voltage, current and temperature rather than directly measured, and algorithms can produce readings above 100% for batteries in good condition. Commenters advised buyers to request a full state of health check rather than relying solely on flash tests.
Why it matters
For fleet operators and used EV buyers, understanding that battery health readings are algorithmic estimates rather than absolute measurements is critical to accurate asset valuation and procurement decisions. The case highlights the need for standardised, comprehensive battery testing protocols in the secondary EV market.
Source
- Original title
- “Used VW ID.3 buyer sees 100.3% battery health, but owners say the figure can fool shoppers”
- Published
- 8 October 2026
- Updated
- 9 October 2026
In this story
- Topic
- Electric Vehicles
- Place
- Germany
- Tag
- Volkswagen
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