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Tesla Battery Atlas

Panasonic 2170 · Generation 2

Panasonic 1L

1L[1]

The final Fremont Standard Range Plus pack, built with Panasonic's higher-capacity 2170L cells.

NCA2170 cylindricalFeb 2021 – Dec 2021Community
Gross capacity
55 kWh
Usable capacity
51 kWh
Cells
2,976
Pack mass
Unknown
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Pack · top view

Module layout unverified

Cell supplier
Panasonic Energy
Cell
Panasonic 2170L
Vehicles
Model 3
Built at
Fremont

About this pack

In 2021 the Fremont-built Standard Range Plus moved to Panasonic's 2170L cells, keeping the 2,976-cell, 96s31p layout. EV Database lists the variant as E1LR, with about 55 kWh nominal and 51 kWh usable.

For model year 2022, Fremont's entry Model 3 switched to CATL LFP cells.

Specifications

Pack data, value by value

  • Manufacturer-confirmed
  • Documented
  • Community-reported
  • Estimated

Every value shows its evidence level and sources. “Unknown” means no source we trust has published it. We never fill gaps with assumptions.

Gross capacityTotal energy incl. bottom buffer
55 kWhCommunity[1]
Usable capacityEnergy available 100% → 0%
51 kWhCommunity[1]
Chemistry
NCADocumented[1]
Cell format
2170Documented[1]
Cell supplier
Panasonic EnergyDocumented[1]
Cell count
2,976Community[1]
ConfigurationSeries × parallel
96s31pCommunity[1]
Modules
Unknown
Nominal voltage
Unknown
Architecture
Unknown
Pack mass
Unknown
Energy densityPack level
Unknown

Requires both pack mass and capacity.

Structural pack
NoEstimated
Peak DC charging
Unknown

The cell

Panasonic 2170L

A higher-capacity revision of the Panasonic 2170 that raised the Long Range pack to roughly 82 kWh from late 2020.

186502170Ø21 mm70 mm4680DRAWN TO SCALE · DASHED: OTHER CYLINDRICAL FORMATS

Cell data

Dimensions
Ø21 × 70 mmDocumented[2]
Capacity
Unknown
Nominal voltage
Unknown
Energy per cell
Unknown
Chemistry
NCADocumented[]

Capacity in context

Gross capacity of every documented pack. Hatched bars are disputed ranges; packs with unknown capacity are omitted.

  1. Cybertruck 4680123
  2. Model S/X 100103
  3. Model S/X 2021+100
  4. Model S/X 9090
  5. LG 5N88.2
  6. Model S 8585
  7. LG 5M84.7
  8. Panasonic 3L82.1
  9. Roadster 3.0 (R80)80
  10. Tesla 8L79
  11. LG 5L78.8
  12. Panasonic 377.8
  13. Model S/X 7575
  14. LG 5C74.5
  15. Tesla 4680 Structural (Model Y)69
  16. CATL 6M62.5
  17. CATL 6L60
  18. BYD 7C55–60 (disputed)
  19. CATL 6C55
  20. Panasonic 1L55
  21. Panasonic 1C53.1
  22. Roadster ESS53

Applications

Where this pack is installed

Each row is a documented link between this pack and a vehicle variant, with its factory, period and evidence. A variant may also appear with other packs.

Model 3Open in finder
VariantPeriodFactoryMarketCodeEvidence
Standard Range PlusModel 3 (2017–2023)Feb 2021 – Dec 2021FremontNot market-specificE1LR
Community[1]

Supply chain

  • Panasonic Energy at Gigafactory NevadaUnited StatesGigafactory NevadacellsDocumented[2][3][4]

    Cells are produced and assembled into packs on the same campus.

  • Gigafactory NevadaUnited StatesTesla Fremont FactorypacksDocumented[5][6]

    Model 3 and Model Y packs and drive units are shipped from Nevada to Fremont for final assembly.

View on the global map

Performance

Charging, advantages and tradeoffs

Peak DC charging

Unknown

No verified charging curve for this pack is in the database yet. Curves vary with temperature, state of charge and software, so we only publish curves backed by repeatable measurements.

Advantages

None documented with a source yet.

Tradeoffs

None documented with a source yet.

Identification

How to tell if your car has it

  • Fremont-built Standard Range Plus from February to December 2021.
  • The part number on the high-voltage battery label and Tesla service records are definitive. A VIN alone does not encode the cell supplier or pack code.

History

Lineage in the Panasonic 2170 family

Panasonic 2170 cells produced inside Gigafactory Nevada power Fremont-built Model 3 and Model Y packs, from the original 75 kWh-class pack to the 82 kWh 3L.

  1. Panasonic 1C2019–2020 · 53.1 kWh
  2. Panasonic 32017–2021 · 77.8 kWh
  3. Panasonic 1L2021 · 55 kWh
  4. Panasonic 3L2020–now · 82.1 kWh

Related packs

Panasonic 3LvsPanasonic 1CvsCATL 6Lvs

Sources

6 references

  1. [1]
    Tesla Model 3 Standard Range Plus (PANA 2170L)

    EV DatabasedatabaseConsulted 28 Oct 2026Pending direct review

  2. [2]
    Gigafactory begins battery production: Start of something big for Tesla?

    The Christian Science MonitorpressPublished 4 Jan 2017Consulted 28 Oct 2026Pending direct review

  3. [3]
    Panasonic Opens World's Largest EV Battery Plant In Kansas

    InsideEVspressPublished Jul 2025Consulted 28 Oct 2026Pending direct review

  4. [4]
    Tesla cancels Fremont-made Model Y Long Range orders in Canada after switching to imports from China

    Drive Tesla CanadapressPublished 12 Sep 2026Consulted 28 Oct 2026Pending direct review

  5. [5]
    MADE IN NEVADA: Tesla

    KOLO 8 News NowpressConsulted 28 Oct 2026Pending direct review

  6. [6]
    Tesla Giga Nevada hits 5 million drive unit production milestone

    TeslaratipressPublished 2024Consulted 28 Oct 2026Pending direct review