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Technology / ACTUALLY USEFUL

Phone charging cost

One battery, many tiny charges.

YOUR RESULT£1.61
per year
How the maths works

Battery Wh ÷ 1,000 × charges × 365 ÷ efficiency × electricity price.

Inputs are editable estimates. Financial results are scenarios, not forecasts or personalised advice. Absurd animal calculations are comparisons only.

One calculation leads to another.

That’s how you go from your electricity bill to a bath full of ducks.