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That's a good point, but I think it would be a shame if wireless charging completely replaced wired, because it's much less efficient. Something like 20-40% of
by qsymmachus 7y ago
That's a good point, but I think it would be a shame if wireless charging completely replaced wired, because it's much less efficient.
Something like 20-40% of input energy is wasted when using wireless charging versus a wire. If every existing phone switched to wireless charging, that would cause a non-trivial increase in total power usage.
- toomuchtodo 7y agoPerhaps an acceptable trade off for the substantial reduction in e-waste. You can always generate more clean power.
- kickling 7y agoNot saying it's entirely unrelevant, but when looking at energy consumption by production and by usage of smartphones, the usage basically consumes no energy at all (https://imgur.com/VHpJ5et https://imgur.com/VHpJ5et). That is probably because batteries can hold a very limited amount of energy and therefore mobile software is developed to use very little electricity. But on the other hand, less energy efficient chargers wont help this. I just mean it's not the big problem about our smartphones energy consumption.
- kickling 7y agoSorry, meant co2 emissions, not energy use.
- marta_morena 7y agoAhh because these two are decoupled. I am sure smartphone usage contributes a significant portion to CO2 then.
- dotancohen 7y ago> therefore mobile software is developed to > use very little electricity. I see that you're _not_ in the mobile dev industry! Power consumption is the type of thing that is talked about in prerelease mobile software, and removed from the bullet points during release. Nobody optimizes for power consumption at the expense of features, bugs, or developer time.