How much does it cost to charge a BYD Dolphin?
Charging a BYD Dolphin from 0% to 100% at home costs about £17.82 at 27p per kWh. A 10% to 80% top-up costs £12.47 and adds about 159 miles. That works out at roughly £7.82 per 100 miles.
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How much does it cost to charge a BYD Dolphin?
The BYD Dolphin has roughly 60 kWh of usable battery (versions differ). Charging loses about 10% as heat, so about 66 kWh is drawn from the wall for a full charge. At 3.8 miles per kWh a full battery is worth about 228 miles of driving.
BYD Dolphin: approximate usable battery 60 kWh
| Where you charge | Full charge (0-100%) | Top-up (10-80%) | Cost per mile | Cost per 100 miles |
|---|---|---|---|---|
| Home (27p) | £17.82 | £12.47 | £0.078 | £7.82 |
| Public rapid (79p) | £47.40 | £33.18 | £0.208 | £20.79 |
Typical figures. Check your handbook for your exact battery and efficiency.
Yearly cost to run a BYD Dolphin
Driving 8,000 miles a year at 3.8 miles per kWh uses about 2,316 kWh including charging losses. At 27p that costs about £625 a year at home, or £1,829 if you charged only on public rapid chargers. Charging mostly at home is much cheaper.
| Yearly miles | Energy used | Cost at home | Cost on public rapid |
|---|---|---|---|
| 5,000 | 1,447 kWh | £391 | £1,143 |
| 8,000 | 2,316 kWh | £625 | £1,829 |
| 12,000 | 3,474 kWh | £938 | £2,744 |
| 15,000 | 4,342 kWh | £1,172 | £3,430 |
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Ways to cut the cost of charging
- Charge at home overnight on a cheaper time-of-use or EV tariff if your supplier offers one.
- Use public rapid chargers only when you need them: they cost several times as much per kWh.
- Keep tyre pressures right, drive smoothly and pre-heat the car while it is plugged in.
- Fit solar panels to cover daytime charging if you work from home.
What affects the real cost
- Your electricity price: every 27p change moves the cost of a full charge by about £0.66 per 1p.
- Speed: very fast charging wastes a little more energy.
- Weather: cold weather and heating can cut range by a fifth or more.
- Driving speed: motorway speeds use much more energy than town driving.
Sources and further reading
Questions people ask
How much does it cost to charge a BYD Dolphin at home?
About £17.82 for a full charge at 27p per kWh, or £7.82 per 100 miles.
How much does it cost to charge a BYD Dolphin on a public rapid charger?
At about 79p per kWh a full charge costs around £47.40. Prices vary by network and location.
How far can a BYD Dolphin go on a full charge?
Roughly 228 miles in typical mixed driving at 3.8 miles per kWh. Official range figures are usually higher and winter range is lower.
Is it cheaper to charge an electric car than fill a petrol car?
In most cases yes, especially when you charge at home. Public rapid charging can cost as much per mile as petrol or diesel.
Results are estimates for information only, not financial advice. Read the full disclaimer.
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