Electric Cars from China: Battery, Lifespan and Charging

The battery is the most expensive component in an electric car - it can account for a third of the vehicle's value. That is why, when choosing a used EV, its condition matters more than mileage or how the interior looks. A worn seat can be replaced cheaply. A tired battery cannot, and it affects everything from daily range to resale value.

Two types: LFP and NMC

Two main chemistries dominate the Chinese market:

• LFP (lithium iron phosphate) - longer-lived, loses capacity more slowly and is safer. In exchange, range drops more sharply in cold weather. BYD uses this type.
• NMC (nickel manganese cobalt) - more range for the same weight and better winter behaviour, but loses capacity faster over the years.

Neither is simply "better" - what matters is knowing which one you have and what to expect from it. If you plan to keep the car for a long time and mostly drive in the city, LFP is a sensible fit. If you need maximum range from a compact battery and regularly face cold mornings, NMC may suit you better.

Capacity loss

Batteries lose capacity gradually. The drop is more noticeable in the first years, then the process slows. On a three or four year old car, retaining above 90% of original capacity is considered good.

The key figure to check is SOH (State of Health) - battery health as a percentage, read from the car's diagnostics. We check it on every electric vehicle before purchase. Do not rely on the dashboard range estimate alone: it fluctuates with temperature, driving style and the last trip, so it says little about the real condition of the cells.

Why range drops in winter

Two things happen in the cold: the battery's chemical activity slows, and cabin heating draws energy directly from the battery - unlike a petrol car, where heat is a by-product of the engine.

As a result, real winter range is 20-30% below the declared figure. This is normal and does not indicate a fault. If the car has a heat pump, the drop is noticeably smaller - worth checking when choosing a trim. In practice, preheating the cabin while the car is still plugged in also helps, because the energy comes from the grid rather than from the battery you need for the road.

The declared range figure

Chinese listings usually quote range under the CLTC standard. That cycle is optimistic - real-world figures run roughly 25-30% lower. Compared with European WLTP, a CLTC number is about 15% higher.

So if a listing says 600 km CLTC, expect around 430-450 km in summer and 330-360 km in winter. When comparing two cars, make sure both numbers use the same standard; otherwise the comparison is meaningless.

Charging in Georgia

The fast-charging network in cities is expanding, but remains sparse in the regions. If you often drive outside Tbilisi, either an EREV hybrid is the better choice, or plan routes around charger locations in advance.

Home charging works from an ordinary 220V supply, though a full charge takes 8-12 hours. A dedicated wallbox brings that down to 4-6 hours.

Before you buy, think about where the car will actually sleep at night. If you live in an apartment block with no reliable socket nearby, an EV can quickly become inconvenient, however good the car is. Owners with a private garage or a dedicated parking space have a far easier experience.

What to check before buying

• SOH figure - above 90% is desirable
• Battery type (LFP or NMC) and capacity in kWh
• Whether a heat pump is fitted
• Maximum fast-charging power
• How often it was fast-charged - frequent fast charging shortens battery life

All five are part of our inspection, and we send you the report before purchase.

Common mistakes when buying a used EV

• Judging by mileage alone. A car with modest mileage that was fast-charged constantly and left fully charged in the heat can have a weaker battery than a higher-mileage car treated gently.
• Trusting the seller's word about battery health. Ask for a diagnostic reading, not a verbal assurance.
• Taking the brochure range at face value. Always convert the declared figure into realistic summer and winter numbers.
• Ignoring the trim. The same model may come with or without a heat pump, and with different battery sizes or chemistries.
• Forgetting your own routes. A car that suits city commuting may be a poor choice if you regularly travel to the regions.
• Neglecting the charging setup. Think about home charging before the car arrives, not after.

Questions to ask about any electric car

• Can I see the diagnostic report with the SOH reading?
• Which battery chemistry does this exact trim use?
• Was the car mostly charged at home or at fast chargers?
• Has the battery pack ever been opened, repaired or replaced?
• Does the car charge normally at both slow and fast stations?

FAQ

Is LFP or NMC better for Georgia?

It depends on use. LFP lasts longer and is safer, but loses more range in the cold. NMC handles winter better but ages faster. Consider your climate, routes and how long you plan to keep the car.

Is a big winter range drop a sign of a faulty battery?

No. A noticeable fall in cold weather is normal because of slower chemistry and cabin heating. A heat pump reduces the effect.

Can I rely on the range stated in a Chinese listing?

Treat it as an optimistic upper estimate. CLTC figures are higher than real-world results and higher than WLTP, so adjust your expectations accordingly.

Can I charge an electric car at home in Georgia?

Yes, from an ordinary 220V socket, though it is slow. A dedicated wallbox is much faster and more convenient for daily use.

Thinking about an electric car from China? Contact Imeri Motors and we will help you choose a model, send the inspection report before purchase, and walk you through the costs - or try the calculator on our website to get an estimate.