Plan the miles.
Keep a margin.

Test a journey before you rely on it. Enter figures for your exact vehicle, then adjust weather, roads, reserve, charging power and price. Your estimate stays in this browser.

Check the official manual first

Your car and journey.

Vehicle selection is kept as a useful label. Confirm battery, reference range and charging power against your exact manual or vehicle before calculating.

BYD DOLPHIN SURF is selected. Choose the version if you know it, then add the figures from your exact vehicle or official manual to calculate.

Your exact BYDModel and version

Selecting a version does not insert assumed figures. This keeps the estimate honest when UK specifications and model years differ.

Usable battery capacity kWhReference full-charge range milesCharge when leaving %Minimum arrival reserve %

Your journeyTotal distance milesRoad typeOutside temperatureHeating or air conditioning will be used regularly.Heavier load, roof box or towing.

Charging assumptionsCharge level after a rapid stop %Expected average charging power kWLive charger price p/kWhCharging energy loss %

All figures are editable. Results are estimates, not a route or a charging guarantee.

Turn an estimate into a safer plan.

Charging guidanceUnderstand connectors, providers and practical public-charging basics.Official manual materialCheck the right source for your exact vehicle and model year.Find a retailerUse the on-site verified UK directory if you need local support.