Audit-grade
Certified
EV Battery Passports
Bank-grade, QR-verifiable battery health reports that lift your EV resale price. Pick your brand to begin.
Sample Passport
This is what buyers and dealers see.
VERIFIED
VoltValue
Certified Battery Health Passport
Resale Passport
Certificate №
SAMP-LECE-RTNE
Verified · BMS + Fleet API cross-check
Vehicle
2023 Long Range EV Dual Motor
VIN
XXXX XXXX XXXX 4A12
Color
Midnight
Odometer
52,180 km
State of Health
95.2%
vs fleet avg 92.6%(illustrative)
Method: nominal full-pack kWh from BMS (user-submitted) ÷ original new-pack kWh — cross-checked against live Fleet API range estimate within ±7 pts (NMC) / ±12 pts (LFP)
Fleet Ranking
Top 14% of VoltValue fleet
Long Range EV · 2023 · 40–60k km
vs 22 comparable cars
Warranty Expires
March 18, 2031
Manufacturer battery warranty period
Cycle Count
312
Degradation Rate
1.15% / yr
Warranty Expires
03/18/2031
Issued
May 9, 2026
Charging Habits
Based on 180 days of telemetry prior to issuance
Energy by source
Home (AC) · 83% · 2,680 kWhTesla Supercharger (DC) · 17% · 540 kWh
% of days the daily-average SoC fell in each band
Low <20% · 7.2%Gold 20–80% · 81.1%High >80% · 11.7%
This certificate represents a snapshot of the vehicle's battery condition at the time of issuance, derived from Tesla Fleet API telemetry. Validity expires August 7, 2026. Verify authenticity by scanning the QR.
QR
Scan to verify live status
Publicly verifiable
Every passport carries a public QR + verify URL that buyers can scan for 90 days.
Pulled from the car
Tesla Fleet API or Enode's OEM gateway — not an editable screenshot from an app.
180 seconds to certify
Connect, audit, issue — done in the time it takes to drink a coffee.
Not selling yet?
The dashboard is free, forever.
Connect your Tesla today and we start building your battery history from day one. By the time you're ready to sell — whether that's 6 months or 3 years from now — your Passport will be backed by months of real data, not just a single snapshot. The longer you wait to connect, the less history your Passport can show.
Connect free → sell when ready