Estimated realistic range of the BYD Dolphin 60.4kWh over ten years at typical UK mileage, against the usual 70% capacity warranty floor.
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What degradation looks like on a BYD Dolphin 60.4kWh
From a realistic 225 miles when new, a typical BYD Dolphin 60.4kWh still manages about 203 miles at 5 years (90% health), 191 miles at 8 years (85%) and 183 miles at 10 years (81%).
The first year usually shows the biggest single drop as the pack settles, after which the fade slows to a crawl. Batteries almost never fail outright; they just gradually carry a little less.
Most manufacturers warrant the battery for 8 years or 100,000 miles against falling below about 70% capacity. On this car, 70% health still means around 160 miles of realistic range.
Habits that keep the battery healthy
- Charge to 80% for daily use and save 100% for long trips
- Avoid leaving the car parked for weeks at 100% or near empty
- Use AC charging for routine and rapid charging for journeys
- Do not fear normal use: the management system protects the pack far better than folklore suggests
If you are looking at a used BYD Dolphin 60.4kWh, an EV specialist can read the exact state of health from the battery management system. It is the single most valuable check on a used electric car, and it turns this page's estimate into a measured fact.
Cables and kit for the BYD Dolphin 60.4kWh
The BYD Dolphin 60.4kWh supports V2L, so its battery can run 230V appliances on the drive, at a campsite or in a power cut. Our V2L cable for BYD cars gives you a mains socket from the charge port, on a lead up to 15m.
A spare Type 2 cable for public posts, or a granny charger for the boot, is in our EV charging cables and chargers range, built to order in the UK by Wottz.
Related on The EV Pros
BYD Dolphin 60.4kWh servicing near you
Every business on The EV Pros is checked for EV competence, so your BYD is worked on by people trained for high voltage systems.
Buying a used BYD Dolphin 60.4kWh?
Run its reg through our free car check first: every MOT, the mileage at each one, and what to expect from the battery at its age. The full history check adds outstanding finance, write-off and stolen records.