Xiaomi's 200W fast charging would drain your battery far too quickly

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Aina Martin
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After introducing its 200 W charge to recharge a 4000 mAh battery in 8 minutes, Xiaomi provides more details regarding the battery life.

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Some time ago, Xiaomi presented to the world its new feat in the world of recharging with a block delivering a power of 200 W. Unheard of in the world of smartphones, which however left one question unanswered. What happens to battery life? A question that Xiaomi wanted to answer in a Q&A session on the Chinese social network Weibo.

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80% capacity in just 2 years

The technology presented by the Chinese company promises a recharge time of only 8 minutes for a 4000 mAh battery. But such speed obviously does not come without a significant backlash to battery life. Indeed, Xiaomi indicates that in the space of 2 years, its battery would reach 80% of its capacity. This represents approximately 800 charge cycles. At the end of these two years, a 4000 mAh battery would therefore only have 3200 mAh.

Oppo, another Chinese company to have entered the race for ever faster charging, introduced 125 W charging in 2020. At that time, the firm also announced that 800 charging cycles at 125 W brought down the 80% battery capacity. In the space of a year, we can clearly see that the accumulators seem to be more robust or that the technologies necessary for ultra-fast charging are a little less energy-consuming.

As noted in the Android Authority paper, Xiaomi clarifies that China's battery degradation guidelines are quite low. Indeed, the regulations say that a battery must be at a maximum of 60% of its capacity after 400 cycles. A standard that would bring a 4000 mAh battery to 2400 mAh after only 1 year.

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