ChargeTips

Plug-in hybrid · 2026–

How much it costs to charge the BYD Dolphin G DM-i Active (7,4 kWh) 175 CV

7.4 kWh battery. Charging from 20 to 80% puts 4.4 kWh into the battery: see what it costs at home, how long it takes and what you pay at a public charger.

Battery
7.4 kWh
gross
Range
25 mi
WLTP
AC charging
3.3 kW
at home and at slow chargers
DC charging
—
rapid charging

Charging at home

Charging at home from 20 to 80%

On a standard tariff, the time makes no difference: the same price at any hour. On an EV tariff, charge in the off-peak window (23h30 to 5h30; yours are in your tariff details).

Standard (price cap)
£0.2632/kWh, Ofgem price cap unit rate
£1.29
EV tariff, off-peak
£0.0760/kWh, 23h30 to 5h30
£0.37
EV tariff, peak
£0.3500/kWh: avoid charging at these times
£1.71
Ofgem price cap
£0.2632/kWh, price cap unit rate
£1.29

With 7,456 miles a year, always charging at home costs about £549 on the standard tariff and £159 off-peak on an EV tariff: you save £390 a year. Note: on an EV tariff the peak rate is usually higher than the standard rate, so it pays off most if you can also move other usage into the off-peak hours.

Prices including VAT, from the Ofgem price cap and suppliers’ EV tariffs, checked on 2026-10. Includes 10% charging losses.

How long it takes to charge from 20 to 80%

ChargerTime
3-pin plug (10 A, 2.3 kW) 2 h 7 min
Commando socket or 16 A wallbox (3.7 kW) (the car only accepts 3.3 kW) 1 h 29 min
7 kW home charger (32 A, 7.4 kW) (the car only accepts 3.3 kW) 1 h 29 min

Approximate times, losses included. On a rapid charger, average power of 60% of the car’s maximum.

Public charging

At a public charger, the price depends on the operator and on your payment method or subscription. With an estimated median price on slow chargers (£0.60/kWh), charging from 20 to 80% costs about £2.66.

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How much 62 miles costs

EV tariff, off-peak
£1.32
Standard (price cap)
£4.57
Rapid charger
£12.48

With the official consumption of 15.8 kWh/100 km (on the motorway, it is higher).

Frequently asked questions

How much does it cost to charge the BYD Dolphin G DM-i Active (7,4 kWh) 175 CV at home?

Charging from 20 to 80% (4.4 kWh into the battery) costs about £1.29 on the standard tariff and £0.37 off-peak on an EV tariff, VAT and losses included.

When should I charge the BYD Dolphin G DM-i?

On a standard tariff, at any time: the price is the same. On an EV tariff, in the off-peak window (23h30 to 5h30), often less than a third of the standard rate. On Agile (a price every 30 minutes), in the cheapest half hours of the day.

How long does it take to charge the BYD Dolphin G DM-i at home?

From 20 to 80%, about 1 h 29 min on a 3.7 kW socket or wallbox and 1 h 29 min on a 7 kW home charger.

Other BYD Dolphin G DM-i versions

Sources of the technical data: www.km77.com · www.byd.com