https://i.imgur.com/pk5mHlL.jpg
手边前后买了四组车用充电器
想请问哪一款充电速度比较快?
选手1:
https://i.imgur.com/gGbtmYj.jpg
输出:5V, 3.1A,两埠
选手2:
https://i.imgur.com/4gpzoi0.jpg
输出:5V, 5.1A,三埠
选手3:
https://i.imgur.com/zeNlpv6.jpg
输出:5V, 4.8A,两埠
选手4:
https://i.imgur.com/YnedfSV.jpg
输出:5V, 2.4A / 9V, 2A?!两埠
选手4是小米,且强调是快充版,这款最快吗?
它产品写单口5V, 2.4A / 9V, 2A是什么意思?
充满疑惑,麻烦车友帮忙,谢谢~