How it works
Wall energy = battery energy divided by one minus loss rate; charging cost = wall energy times electricity price.
Input definitions
- Energy added to battery (kWh)
- Enter the value in the labeled unit.
- Charging loss (%)
- Enter the value in the labeled unit.
- Electricity price per kWh
- Enter the value in the labeled unit.
A worked example
- Energy added to battery (kWh)
- 55
- Charging loss (%)
- 12
- Electricity price per kWh
- 0.2
Assumptions & limits
Uses only the values entered and does not fetch live prices, fees, rates or eligibility rules. Verify quotes, contracts, measurements and local requirements before acting.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-20. Content checked against the stated method and examples. Our verification approach.
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Common questions
Where should charging losses come from?
Use a measured or credible estimate for the vehicle, charger, temperature and charge level.
How does EV home charging cost with losses calculate the result?
Wall energy = battery energy divided by one minus loss rate; charging cost = wall energy times electricity price.
What should I check before using EV home charging cost with losses?
Uses only the values entered and does not fetch live prices, fees, rates or eligibility rules. Verify quotes, contracts, measurements and local requirements before acting.