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Dacia Spring 2021-2024 27.4 kWh total (26.8 kWh usable), 72s NMC battery pack

Dacia Spring

2021-2024 27.4 kWh total (26.8 kWh usable), 72s NMC

Pack size
27.4 kWh
Capacity
105 Ah
Chemistry
NMC (Sunwoda prismatic cells)

Technical specifications

Electrical and control

Nominal voltage260 V
Operating range180–304 V*
ProtocolCAN bus (500 kbps), Renault CMFA-EV CAN.
Home use (V2H)Supported via Battery-Emulator (stationary home storage)*
Coolingair (passive)
Battery-Emulator support · GitHub
Built-in contactorsYes (source)

Physical

Dimensions1180 x 980 x 250 mm
Weight186 kg
Cell configuration72s
ConnectorCCS Combo 2
ConnectorsCCS Combo 2 / Type 2.

Pricing

Usedfrom £1,876

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

How it works

72s Sunwoda prismatic cells in 12 modules of 6 cells. Compact BMS communicates on 500 kbps CAN. Battery-Emulator controls contactors and relays cell telemetry.

Notes

Built on the Renault-Nissan CMFA-EV platform (Dacia Spring, Renault City K-ZE, Dongfeng EX1). 72s NMC series arrangement gives 180.0–304.0 V* operating range. Extremely lightweight pack (186 kg) with air cooling, making it one of the easiest EV packs to install in residential lofts or garages.

Red flag

Operating voltage drops down to 180 V empty: inverter must support high-voltage battery input down to 180 V (e.g. SolaX Gen4 HV or Deye HV); passive air cooling requires well-ventilated installation area.

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