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Peugeot e-208 / Stellantis eCMP 2019-2023 50 kWh total (45 kWh usable), 108s NMC battery pack

Peugeot e-208 / Stellantis eCMP

2019-2023 50 kWh total (45 kWh usable), 108s NMC

Pack size
50 kWh
Capacity
125 Ah
Chemistry
NMC 622 (CATL prismatic cells)

Technical specifications

Electrical and control

Nominal voltage400 V
Operating range288–450 V*
ProtocolCAN bus (500 kbps), Stellantis eCMP CAN protocol.
Home use (V2H)Supported via Battery-Emulator (stationary home storage)*
Coolingliquid
Battery-Emulator support · GitHub
Built-in contactorsYes (source)

Physical

DimensionsNot confirmed
Weight345 kg
Cell configuration108s
ConnectorCCS Combo 2
ConnectorsCCS Combo 2.

Pricing

Usedfrom £3,411 1

* Data sourced from dalathegreat/Battery-Emulator firmware driver specifications and the Battery-Emulator Wiki.

On eBay now

Live eBay UK listings, fetched 25 October 2026. Prices and availability change.

How it works

108s CATL prismatic string in 18 modules. Stellantis eCMP BMS monitors pack conditions. Battery-Emulator handles high-voltage contactor precharge and safety state machine.

Notes

Shared across Peugeot e-208, e-2008, Opel Corsa-e, Mokka-e, Citroën ë-C4, and DS 3 Crossback E-Tense. 108s prismatic cells in 18 modules (each 6 cells). Operating voltage range 288.0–450.0 V*. Supported natively by Battery-Emulator ECMP-BATTERY driver.

Red flag

BMS will permanently latch contactors open if an isolation fault below threshold is recorded or if crash pyrofuse was blown.

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