Be EV Wise › Guides › EV battery types: LFP, NMC and sodium-ion
EV battery types: LFP, NMC and sodium-ion
Most new EVs use lithium-ion batteries, but the chemistry inside varies. It affects cost, range, cold-weather performance, lifespan and how the cells behave if damaged.
| Type | Strengths | Weaknesses | Thermal profile | In UK new cars |
|---|---|---|---|---|
| LFP (lithium iron phosphate) | Cheaper, no nickel or cobalt, long cycle life, usually fine to charge to 100% often | Less energy per kilo, so less range for the weight. Loses more range in the cold | More thermally stable than nickel-based cells | Common in lower-priced cars and all BYD models; also some Tesla, MG and Dacia models |
| NMC / NCA (nickel-based) | High energy density, suits long-range and premium cars, good in the cold | Costs more. Many makers advise about 80% for daily charging | More energy to manage if damaged; cooling and battery management control this | Widely used in long-range and premium models |
| Sodium-ion | Avoids lithium. Reported good cold-weather performance and low cost | Lower energy density today | Reported to be thermally stable; not yet proven at scale | Emerging. No mainstream new UK car confirmed |
| Solid-state | Promises more energy and faster charging | Still in development and expensive | Expected to improve safety; not yet proven in showrooms | Not on sale. Makers target the late 2020s |
LFP or NMC: which should you choose?
Choose LFP if you value lower cost, durability and are happy to charge to 100% regularly, and your journeys fit its range. Choose a nickel-based battery if you need maximum range for the weight or do a lot of cold-weather motorway driving. Neither is better for everyone.
How do I find out what my car uses?
Manufacturers often do not publish the chemistry for each trim, and one model can use different chemistries in different versions. Ask the seller to confirm it in writing for the exact car you are buying, and check the handbook. In Be EV Wise we name the chemistry only where a source does; see the list of cars with a named LFP battery.
What about hybrids?
Full hybrids use a small battery, and plug-in hybrids typically 10 to 25 kWh, far smaller than a pure EV pack. Their chemistry is rarely a buying factor.
Frequently asked questions
What are the main types of EV battery?
Most new EVs use lithium-ion batteries in two main chemistries. LFP (lithium iron phosphate) is cheaper and durable but stores less energy per kilo. NMC and NCA (nickel-based) store more energy and suit long-range and premium cars. Sodium-ion and solid-state batteries are emerging but were not mainstream in new UK cars at the time of writing.
Which is better, LFP or NMC?
Neither is better for everyone. LFP batteries are generally cheaper, safer and longer-lasting, but they lose more range in cold weather and pack less energy per kilo. NMC batteries offer higher energy density, which suits long-range cars, but cost more. Choose LFP for durability and value, NMC for maximum range.
Are sodium-ion batteries available in UK cars?
Sodium-ion is an emerging technology that avoids lithium and can tolerate cold, but it stores less energy for its weight today. Some manufacturers have begun to use it in some markets. We have not confirmed any mainstream new car with a sodium-ion battery on sale in the UK, so Be EV Wise does not list one.
Related
- Are EV batteries a fire risk?
- How long do EV batteries last?
- Electric cars with LFP batteries
- Longest-range electric cars in the UK
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Figures compiled September 2026 from published UK sources and are approximate. Page reviewed 2026-09-20. General information, not financial, legal or technical advice.