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Telecommuting in a coffee bar: can you recover the price of your drink by recharging your laptop battery there?

  • Post category:Economy News
  • Reading time:5 mins read

monenergie.beHigh energy prices encourage people to think outside the box. Especially those who work from home, pay particular attention to their consumption. Have you ever considered moving to a coffee bar for work? Recharge your laptop for the price of a cup of coffee? has examined whether this is a good idea.

In order to answer this question, we first need to know the electricity consumption of a laptop, of course. The latter depends on many factors. On the one hand, there is the power of your device; on the other hand, the way you use it. The way you charge your device, the brightness of your screen, the settings relating to standby mode, etc. have an impact on consumption.

On average, a laptop consumes 50-100 watts/hour and the recharge time is 2-2.5 hours. Here, it is the time required to completely recharge an empty battery (from 0 to 100% therefore).

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The price of a single refill

Currently, you have to pay an average of 0.62 euro/kWh (including electricity, levies, network charges and VAT). This means that a fully charged battery – for the lighter models – will cost you 6.2 – 7.75 euro cents. For heavier devices (batteries), charging costs are between 12.4 and 15.5 euro cents.

Refill costs versus the price of your coffee

It is therefore clear that you will not be able to fully recover the price of your coffee – count 2.70 euros for a classic coffee – by recharging your laptop in a coffee bar. Also, it seems unrealistic to compensate for a full recharge of 2-2.5 hours by just 1 coffee. However, this simulation has shown that those who work in the office every day will save several tens of euros per year on the consumption of their laptop, compared to those who work from home.

This also explains why schools are currently asking their students to stop charging their laptops at school. If hundreds of students charge their laptops in class, the schools’ monthly energy bill will quickly increase by several hundred euros.

Also read: The dryer or the clothesline? Here is the difference in your energy bill.


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