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OPPO “admits” that fast charging is harmful to the batteries

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Published on May 11, 2020

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OPPO “admits” that fast charging is harmful for the battery Android Blog Italy.

In recent years, smartphone manufacturers have started a sort of “arms race” to develop systems for the rapid charging of increasingly high performance. In fact, not be able to make many innovations to the same batteries with the current technology, there has been an emphasis on charging times. However, increasing the energy with which to recharge a battery means to degrade it faster than usual and, even if not in a clear and explicit way, it seems that OPPO is in agreement with this.

In April, OPPO has launched Ace2, a phone top of the range equipped with the Qualcomm Snapdragon 865, a display to 90Hz, a fingerprint sensor on the screen, and a battery of 4.000 mAh battery that supports charging wired 65 W, and the wireless charging from 40 W. although this might seem exceptional, the speed of charging a cost.

Apparently OPPO has confirmed that the technology 40 W degrades a battery to 70% capacity in the same cycles that the load from 15 W would result in a reduction of 90%. In other words, the more times you quickly charge a battery, the greater the loss of energy capacity over time.

This perhaps explains why some OEMS such as Google and Apple are chasing the numbers of power. And, in any case, the quick reload of 15 W should be good enough for most people.

That said, the charging of any type degrades the lithium-ion cells and, while the technology to fast charge it does so at a faster pace, the convenience may exceed the limit for some people. The general council, to try to preserve battery as much as possible (not only in smartphone but also in all other devices that use lithium-ion batteries) is to maintain the percentage of battery charge between 40% and 80% and then recharge it with the output for low energy (5A 2V or, even better, 5V 1A).

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OPPO “admits” that fast charging is harmful for the battery Android Blog Italy.

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