VinFast EV charging cost page
VinFast VF 9 Extended Range charging cost calculator
Estimate how much it costs to charge a VinFast VF 9 Extended Range with its 123.0 kWh battery using your current charge level, target charge, and electricity price.
Common charging scenarios
Home top-up
20% → 80% · 73.8 kWh
29.52
Road trip prep
10% → 90% · 98.4 kWh
39.36
Full battery estimate
0% → 100% · 123.0 kWh
49.20
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Battery capacity
123.0 kWh
Brand hub
VinFast EV model list
Charging estimate inputs
Current charge, target charge, and electricity price
Benchmark charging costs for VinFast VF 9 Extended Range
These fixed examples in pounds sterling (GBP) show how the 123.0 kWh battery translates into different charging sessions. The three tariffs are illustrative, not current UK averages. Charging losses and extra station fees are excluded. Change the currency and price in the calculator for your own estimate.
Home top-up
20% to 80% adds about 73.8 kWh to the battery.
- £0.15 per kWh
- £11.07
- £0.25 per kWh
- £18.45
- £0.40 per kWh
- £29.52
Road trip prep
10% to 90% adds about 98.4 kWh to the battery.
- £0.15 per kWh
- £14.76
- £0.25 per kWh
- £24.60
- £0.40 per kWh
- £39.36
Full battery estimate
0% to 100% adds about 123.0 kWh to the battery.
- £0.15 per kWh
- £18.45
- £0.25 per kWh
- £30.75
- £0.40 per kWh
- £49.20
Real-world charging losses for VinFast VF 9 Extended Range
A VinFast VF 9 Extended Range 20% to 80% session stores about 73.8 kWh in the battery. At the wall, the real energy draw can be higher because AC/DC conversion, battery conditioning, and cable losses all add overhead.
If 8% to 15% of the metered energy is lost, the same session would draw about 80.2 to 86.8 kWh. These percentages are illustrative assumptions, not measured efficiency for this model. Metered energy is battery energy divided by the fraction that reaches the battery. Use your charger’s billed kWh and actual tariff for a real session.
You can also browse the VinFast EV model list to compare how the 123.0 kWh battery in VinFast VF 9 Extended Range sits alongside other models from the same brand.
20% to 80% wall-energy estimate
80.2 to 86.8 kWh
Based on 73.8 kWh stored in the battery divided by 0.92 to 0.85, assuming 8% to 15% of metered energy is lost.
How Charge Cost estimates VinFast VF 9 Extended Range charging costs
1. Battery data
This page starts with the 123.0 kWh battery capacity listed for VinFast VF 9 Extended Range, so the baseline calculation is model-specific rather than generic.
2. Charge window
Your current charge and target charge determine how much battery energy is added. A smaller top-up costs less because fewer kWh need to be delivered.
3. Electricity price
The tool multiplies the required kWh by your price per kWh. If you pay more for public charging, taxes, or time-of-use tariffs, your real bill can be higher.
Frequently asked questions about charging a VinFast VF 9 Extended Range
How much does it cost to charge a VinFast VF 9 Extended Range?
Charge Cost helps estimate the charging cost of a VinFast VF 9 Extended Range using its 123.0 kWh battery capacity, your current state of charge, target charge level, and electricity price. A full 0% to 100% battery estimate uses about 123.0 kWh before charging losses, so the cost changes directly with your electricity tariff.
What does a 20% to 80% charge add to a VinFast VF 9 Extended Range?
VinFast VF 9 Extended Range needs about 73.8 kWh to move from 20% to 80% battery. At example electricity prices of £0.15, £0.25, £0.40 in GBP per kWh, that works out to roughly £11.07, £18.45, £29.52 in GBP before charging losses.
Does the VinFast VF 9 Extended Range charging cost estimate include charging losses?
The base estimate for VinFast VF 9 Extended Range focuses on battery energy and electricity price. Real-world wall energy can be higher, so a 20% to 80% session may require about 80.2 to 86.8 kWh if 8% to 15% of metered energy is lost. This is an illustrative assumption, not measured efficiency for this model.