本文来自微信公众号：爱范儿 （ID：ifanr），作者：马扶摇，题图来自：AI生成 OPPO的超级闪充，vivo的超快闪充、华为的超级快充，以及小米的澎湃有线秒充等等，一片勃勃生机、万物竞发的景象。 然而快充协议五花八门、互不兼容的后果，最终其实还是由消费者承担的。 比如有些机型支持高功率快充、附赠的充电头却是低功率的款式，想要满血充电只有一句话——得加钱。又或者购买第三方品牌的多协议充电头，就得忍 受无法激活厂商私有协议带来的充电掉速、频繁断连问题。 除开改名对标，以及背后高原副屏，今年的小米其实还做了一件我们认为颇有格局的事情： 小米17系列全系兼容100W通用PPS协议，小米充电器、非小米充电器，都能疾速充电，通用性大幅提升。 长久以来，包括小米在内的主流国产手机厂商，虽然在电池技术和充电技术上遥遥领先于海外同行，但是在开放程度和兼容性上却始终不情不愿，并最终 造就了国内手机厂商各自为战的结果。 小米17系列的发布，填补了九月末"后苹果发布会时期"到国庆节之后国产新机潮之间的空虚。 这也是我们认为小米今年宣布兼容PPS协议是很有意义的原因： 长久以来，公有的充电协议始终都存在，但大多数（私有协议的）厂商 ...

Core Insights - The introduction of the iPhone 17 series and the new 40W dynamic power adapter marks a significant advancement in charging speed, allowing the device to charge 50% in just 20 minutes, utilizing the SPR AVS (Standard Power Range Adjustable Voltage Supply) protocol [3][5][23] Group 1: Charging Technology Evolution - The SPR AVS protocol represents a shift from traditional fixed voltage charging methods, addressing the common issue of heat generation during fast charging [6][10] - Apple’s choice of SPR AVS over the widely adopted PPS (Programmable Power Supply) protocol reflects a strategic decision to prioritize efficiency, safety, and future ecosystem compatibility [5][11][21] Group 2: Technical Advantages of SPR AVS - SPR AVS offers a more practical voltage step of 100mV, which balances precision and robustness against real-world electrical interference [19][20] - Unlike PPS, SPR AVS allows for independent control of voltage and current, ensuring maximum current output even at lower voltages, thus eliminating power loss issues [20][21] - The adoption of an open standard by Apple aims to unify the charging ecosystem, reducing fragmentation and enabling third-party manufacturers to create compatible accessories without proprietary restrictions [21][22] Group 3: Industry Impact - The implementation of SPR AVS in the iPhone 17 is expected to set a new benchmark for fast charging technology across the industry, potentially leading to widespread adoption of this standard [23] - Apple's historical trend of adopting and promoting superior technologies suggests that SPR AVS could become the foundational charging technology for mainstream smart devices in the coming years [23]