charging
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OPPO engineer: contactless wireless charging has cleared technical hurdles
The OPPO Ace2 is the first to support a 40W wireless flash charger, which is the highest wireless charging power to date and it even surpasses some wired fast charging.
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China's charging infrastructure increased 18.1% in 2019
In 2019, the charging infrastructure in China increased by 411,000 units, an increase of 18.1% year-on-year, according to data from the China Charging Alliance.