MG4 77 kWh Extended Range battery packs

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Fits the MG4 Extended Range, sold from 2023.

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77 kWh MG4 packs

None listed

No 77 kWh packs listed right now.

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For storage projects

Packs from other cars with a similar size and the same chemistry, for second-life storage builds. We have not confirmed any of them fits your car, so do not buy one as a replacement.

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Reference

MG4 77 kWh battery facts

The MG4 77 kWh battery is the Extended Range pack, sold from 2023: NMC chemistry, 77 kWh gross and 74.4 kWh usable.

Capacity
77 kWh gross, 74.4 kWh usable
Chemistry
NMC lithium-ion
Cars
MG4 Extended Range, from 2023

Note: Sources give the motor as 180 or 184 kW, so we leave it out.

Documents

Safety data sheet and UN38.3 test summary for this pack, on request.

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Each fact is confirmed by two independent sources: MG UK press releases (one source), plus electrive, InsideEVs, Autocar, Auto Express, DrivingElectric, Electrifying, CarExpert, CarsGuide, CnEVPost and Motoring Research. Facts we could not confirm twice are left out. Checked . Sources

Questions

Buying a used MG4 77 kWh pack

Still unsure which pack is right? A specialist can check fitment with you.

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Check the badge or trim, the motor power and the year. A Standard Range from 2022 to 2025 with the 125 kW motor has the 51 kWh LFP pack. A Long Range from 2022 to 2025 with the 150 kW motor, and every XPOWER, has the 64 kWh NMC pack. An Extended Range, from 2023, has the 77 kWh NMC pack. A Long Range from the 2026 update has a new 64 kWh LFP pack with a 140 kW motor, so check the year and the label. Send us a photo of the label and we will check.