Battery options & usable capacity
Volkswagen’s April 2021 UK brochure identifies 77 kWh net for the listed Pro Performance configurations on page 7. This preset covers that historical reference; it does not establish the capacity of every ID.4.
| Reference configuration | Original usable capacity | Provenance |
|---|---|---|
| April 2021 UK Pro Performance — 77 kWh net | 77 kWh | Manufacturer · Source |
Charging capability
Small and large battery versions have different charging characteristics. Use the fitted vehicle’s limits and software information; do not read charging-station power as vehicle capability.
Use the 77 kWh reference only for the matching configuration
The April 2021 UK Pro Performance reference explicitly identifies 77 kWh net. It provides a usable baseline for that configuration, not every ID.4 battery. If a matching car has an illustrative measured usable capacity of 70 kWh, the simple retention calculation is 70 ÷ 77 = 90.9%. The 70 kWh value is an example, not a measurement of a car on this site.
Ask whether the report measures energy or reports a BMS estimate, and whether the pack has been changed. Keep the actual build specification and installed-pack information together. A brochure establishes what a version was sold with; it cannot establish the present condition or repair history of the example you are considering.
Work backwards from the long journey
At an illustrative 21 kWh/100 km, a new-reference 77 kWh battery provides about 257 km between 80% and a 10% reserve. Using the fictional current capacity of 70 kWh reduces that to about 233 km. A regular 250 km route therefore fits one scenario but not the other. Check current capacity and route consumption before relying on the brochure battery size.
For charging, ask the seller to identify the fitted equipment and software version, then compare a complete session with a matching manufacturer reference. Do not assume a newer model’s peak rate applies after any software update. Record start/end charge and conditions so that a slower session can be investigated meaningfully.
Plan a journey with this battery reference
| Exact reference | At 18 kWh/100 km | At 22 kWh/100 km |
|---|---|---|
| April 2021 UK Pro Performance — 77 kWh net | 299 km / 186 miles | 245 km / 152 miles |
Calculation: usable kWh × 0.70 ÷ kWh/100 km × 100. A used battery may have less usable energy; these scenarios do not establish its condition.
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Battery warranty
Market-specific warranty verification is still required. Original delivery date, distance limit and the wording of the capacity guarantee are more useful than a generic brand headline.
Things worth checking before purchase
- Verify that the car has the 77 kWh net pack before using this preset.
- Check the original market and charging-port compatibility on imported examples.
- Request current software details and documentation of battery repairs.
- Collect a consumption sample at your normal motorway speed if long-distance driving is important.
Turn the evidence into a useful estimate
Use a documented usable capacity and consumption from conditions matching your trip. Keep original specifications separate from the seller’s current battery-health evidence.
EVVerity estimates are informational and are not a substitute for a professional battery diagnostic or pre-purchase vehicle inspection.
Manufacturer sources & scope
- Volkswagen UK — ID.4 brochure, net capacities on page 7 (PDF)
April 2021 · checked 2026-09-26
Source verification means the cited statement was reviewed. It does not extend a historical specification to other years or markets. Missing values are intentionally not inferred.
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Research another used EV
If you are considering more than one model, use its own guide to check the battery reference, charging equipment and seller evidence. Specifications and warranty terms must be verified separately for each car.