B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
2.3%
2.3% -- average battery degradation rate for EV batteries (Geotab study) (2026)
Geotab's fleet telematics analysis of 22,700 electric vehicles found an average EV battery degradation rate of 2.3% per year.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
2.3%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
22,700
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
autoresourceco.com
Primary
Tier B
https://www.autoresourceco.com/articles/ev-battery-longevity-recycling-feedstock ↗
Source Article
EV Battery Longevity Is Delaying the Feedstock Wave
Original Research
autoresourceco.com
· Original study ↗
Methodology
Geotab telematics analysis of 22,700 electric vehicles
Methodology documented
Segmentation
IndustryAutomotive
Cite this stat
Plain Text
EV batteries (Geotab study): 2.3% average battery degradation rate. Source: autoresourceco.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/geotab-ev-battery-degradation-2-3-percent
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<blockquote cite="https://lighthousedata.io/data/geotab-ev-battery-degradation-2-3-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>2.3%</strong> -- average battery degradation rate for EV batteries (Geotab study)<br><small>Source: autoresourceco.com (2026) · <a href="https://lighthousedata.io/data/geotab-ev-battery-degradation-2-3-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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