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Rita El Khoury \/ Android Authority<\/p>\n
Maybe it\u2019s just the sheer number of phones that cross my desk, but I have a love-hate relationship with USB-C. It\u2019s great that I can charge my headphones, laptop, and latest Android smartphones<\/a> with the same plug, but figuring out whether my gadgets are actually charging optimally is often just a matter of shrugging and hoping for the best.<\/p>\n As I\u2019ve whined about countless times, USB-C still has too many different flavors for fast charging. Whether that\u2019s proprietary options like OnePlus\u2019 SuperVOOC or Xiaomi\u2019s HyperCharge, standard USB Power Delivery<\/a>, or one of the newer USB PD PPS modes, with umpteen phones flying across my desk each year, keeping track of exactly what I need to charge each one efficiently is near impossible. Throw in the complication of 3A, 5A, and 6A USB-C cables, and there\u2019s little hope for consumers to understand why their phone might be charging slowly<\/a> \u2014 even I have to resort to my trusty power meter.<\/p>\n Android tries to help, at least somewhat, by letting you know whether your charger is delivering a decent level of power. I\u2019m sure you\u2019ve all clocked your phone\u2019s \u201cfast charging\u201d or \u201cX minutes to full\u201d lockscreen text snippet. While showing the time remaining is helpful for gauging whether you\u2019re charging unusually slowly, it doesn\u2019t help users diagnose why things might be off.<\/p>\n Between plugs, protocols, and cables, it’s very difficult to know if your phone is charging optimally.<\/p>\n Android 15 improved the setup a little<\/a> for Pixel phones by boosting its \u201cfast\u201d charging snippet from a pitiful 7.5W to a modest 20W. However, the variation of user-facing prompts across phone brands remains inconsistent, if I\u2019m being polite, because the setup is completely open for brands to flavour how they want. To illustrate just how messy it is, I tested four phones with four USB-C chargers and logged what each one reports on the lockscreen and the actual power level.<\/p>\n Basic USB-AFast USB-A30W USB-C PD240W USB-C PPS<\/p>\n Galaxy S25 Ultra<\/p>\n Basic USB-A<\/p>\n N\/A Fast USB-A<\/p>\n \u201cFast Charging\u201d 30W USB-C PD<\/p>\n \u201cSuper Fast Charging\u201d 240W USB-C PPS<\/p>\n \u201cSuper Fast Charging 2.0\u201d OnePlus 13<\/p>\n Basic USB-A<\/p>\n \u201cCharging\u201d Fast USB-A<\/p>\n \u201cCharging\u201d 30W USB-C PD<\/p>\n \u201cUltra-fast Charging\u201d 240W USB-C PPS<\/p>\n \u201cUltra-fast Charging\u201d Pixel 9 Pro XL<\/p>\n Basic USB-A<\/p>\n N\/A Fast USB-A<\/p>\n \u201cCharging\u201d 30W USB-C PD<\/p>\n \u201cFast Charging\u201d 240W USB-C PPS<\/p>\n \u201cFast Charging\u201d Xiaomi 15 Ultra<\/p>\n Basic USB-A<\/p>\n \u201cCharging\u201d Fast USB-A<\/p>\n \u201cQuick Charge\u201d 30W USB-C PD<\/p>\n \u201cFast Charging\u201d 240W USB-C PPS<\/p>\n \u201cFast Charging\u201d The sheer power range that Xiaomi considers as \u201cfast charging\u201d is just bonkers, as it\u2019ll make over an hour of difference if you\u2019re charging at 27W versus 90W. The Xiaomi 15 Ultra does have an entirely different lockscreen charging animation if you use a HyperCharge plug, but that arguably makes the situation even worse, as a \u201cstandard\u201d PPS charger works just as well. Yet, the user has no way of knowing.<\/p>\n OnePlus isn\u2019tmuch better, with a huge window between moderate and maximum charging power labelled as \u201cultra-fast.\u201d Again, there are some extra animations for using a SuperVOOC charger for the absolute fastest speeds, but you won\u2019t know the difference unless you have multiple chargers at hand. By contrast, Google\u2019s Pixel 9 Pro XL makes it unclear whether you\u2019re charging at the full 37W power level or the older, slower limit, which is hardly helpful when its 20V PPS requirements are rather niche<\/a>.<\/p>\n One’s brand’s definition of fast is another brand’s slow.<\/p>\n Equally perplexing is the sheer range of power levels marked as \u201cfast charging\u201d across this small snippet of the Android ecosystem. Depending on which phone you\u2019re looking at, anything between 15W and 90W could be labeled simply as \u201cfast\u201d but with very different implications for the time taken to charge up. Granted, most owners will likely only ever be looking at a single handset at a time, but they shouldn\u2019t really be expected to adjust to new nomenclature when switching phones.<\/p>\n Looking for positives, the Samsung Galaxy S25 Ultra has the clearest definition, with a logical progression of text as you move up to faster and faster charging. I don\u2019t think many will be aware of the difference between Ultra-fast charging 1.0 and 2.0, but at least there\u2019s some indication to the user when they\u2019re charging the phone as quickly as possible. It\u2019ll be interesting to see how the brand handles the reported option of a 60W charging level for the upcoming Galaxy S26 Ultra<\/a>.<\/p>\n Android should put everyone on the same page<\/p>\n Rita El Khoury \/ Android Authority<\/p>\n If they\u2019re reading, I have some suggestions for Google\u2019s engineers. The time-to-full estimate is a good starting point, but raising the bar for the \u2018charging rapidly\u2019 prompt is a must. 20W hasn\u2019t been \u2018fast\u2019 for close to a decade; Android\u2019s default should probably be set at 40W+ for ultra-fast, 18W+ for normal, and anything below that being slow. USB Power Delivery\u2019s 18W is a standard baseline for most modern smartphones, after all.<\/p>\n Still, this remains quite arbitrary, as power levels change during a battery charge cycle. What starts at 37W can quickly fall to 18W yet still be labeled as \u201crapid,\u201d as there\u2019s no accounting for how long charging will really take \u2014 just which plug you happen to be using.<\/p>\n A smarter option would be to remove power from the picture and move entirely to a time-based calculation, allowing some leeway between handset battery capacities and charging designs. This would also allow the notification to become much more dynamic and help take the guesswork out of how fast charging really works for consumers.<\/p>\n Let’s take power of the picture and focus on charge times.<\/p>\n I would take the classic \u201ctime to full metric\u201d and divide it by the remaining charge to give the users a clearer idea of whether the phone is currently topping up quickly or slowly. Anything taking over 1:30 from empty would be considered slow, but anything that\u2019ll top up in under 45 minutes would be undeniably fast. Likewise, a phone on 75% battery that still has half an hour left would be slow, but just another 15 minutes to full would be quick. This way, brands wouldn\u2019t be able to label their phones as charging \u2018super fast\u2019 when they clearly aren\u2019t.<\/p>\n Android could go further with the adoption of improved battery health metrics<\/a> and provide optional information beyond crude estimates \u2014 temperature information, charging protocols, and actual power levels. Any and all of these could be useful to more learned gadget users to help them identify which chargers and cables are working best for their specific device. Perhaps even use a little of that machine learning magic to make quarterly suggestions for prolonging long-term health and improving charging habits, or a toggle to let users quickly enable or disable fast charging<\/a>. There are plenty of ways Android could make charging more transparent and intuitive.<\/p>\n But maybe I\u2019m getting ahead of myself. I\u2019d settle for a more robust lockscreen snippet that lets us all know when our phones are charging optimally. If OEMs can\u2019t be trusted to do it, Google should bake it into Android itself.<\/p>\n
2.5W<\/p>\n
15W<\/p>\n
25W<\/p>\n
42W<\/p>\n
2.5W<\/p>\n
9.7W<\/p>\n
23W<\/p>\n
41W<\/p>\n
2.5W<\/p>\n
7.5W<\/p>\n
25W<\/p>\n
37W<\/p>\n
2.5W<\/p>\n
18W<\/p>\n
25W<\/p>\n
95W<\/p>\n![\"swanscout](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/08\/swanscout-3-in-1-pixel-wireless-charger-710g2-8.jpg\"\/ "\\"swanscout")
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