this post was submitted on 23 Apr 2025
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Smartphones and tablets to get a new label in June, indicating battery life and efficiency (www.gsmarena.com)
submitted 1 week ago by Sunshine@lemmy.ca to c/buyeuropean@feddit.uk
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[โ€“] ClassyHatter@sopuli.xyz 6 points 1 week ago* (last edited 1 week ago)

As I understand it, the energy efficiency class is based on how long the device works with a full charge. They have laid out a test cycle that needs to be repeated until the device turns off. The rest of the information on that label is just for your information.

One problem I can see with this is that it pushes manufactures to set as high maximum charge level, and as low minimum charge level for the battery as possible. What is "full" and "empty" for a battery is something that the manufacturer sets. The higher the "full" level is, and the lower the "empty" level is, the more stress is caused for the battery, which leads to the battery dying sooner. If you for example limit battery charging to 80% charge level, you can double the expected lifetime of a lithium battery. But this rating system doesn't take that in consideration. It's up to the consumer to choose between Class A device with 500 cycle battery and Class B (or something) device with 1000 cycle battery.

The EU now mandate that smartphones and tablets must be repairable, with parts like batteries, cameras, displays to be available for 7 years from the time the device enters market.