I am using 20w charger for my 12 pro max since day 1. Now after almost 2 years battery capacity is at 85%. And ironically I am trying hard to degrade battery to below 80% to get my free replacement battery before my apple care runs out in next 2 months. So in my experience, 20w charger has not caused any problem. Apple 12W USB Power Adapter. $19.00. We approximate your location from your internet IP address by matching it to a geographic region or from the location entered during your previous visit to Apple. Choose from: 20W USB-C Power Adapter,35W Dual USB-C Port Compact Power Adapter,35W Dual USB-C Port Power Adapter,Apple 12W USB Power Adapter. Here’s what each piece, purchased separately from Apple costs: MagSafe Charger: $39. Apple Watch Magnetic charging cable: $29. 20W USB-C charger: $19. 5W or 19W USB-A charger for Apple Watch Testing conducted by Belkin in October 2021 using Apple Watch Series 7 (GPS) 45mm Aluminum with Sport band and Apple Watch Series 6 44mm Aluminum with Sport band (GPS), all devices tested with latest watchOS 8.0.1 software, Belkin Boost Charge Pro Portable Fast Charger for Apple Watch and Apple 20W USB-C Power Adapter (Model A2305). Jun 4, 2022 1:45 PM in response to Smilin-Brian. No, it isn't, the user would not be able to do fast charging with the 6s but the 20W power adapter will work just fine if they use a Lightning to USB-C cable. And you can notify the hosts if you find a mistake in Apple materials. ( 0) SravanKrA. Yes. You can fast charge your iPhone 8 and later up to 50 percent battery in around 30 minutes. Fast charging works when you use an Apple USB-C to Lightning cable and one of these adapters: Apple 18W, 20W, 29W, 30W, 35W, 61W, 67W, 87W, or 96W, or 140W USB-C Power Adapter. A comparable third-party USB-C power adapter that supports USB KOCORE USB C Wall Charger [2 Pack], 20W Fast Charging Block for Apple Watch Charger, Type C Power Adapter Plug Compatible for iPhone 15/15 Pro/15 Pro Max/14 13 12, for Apple Watch Series 9 8 7, White 4.8 out of 5 stars 41 The Apple 20W USB‑C Power Adapter offers fast, efficient charging at home, in the office, or on the go. Pair it with iPhone 8 or later for fast charging — 50 percent battery in around 35 minutes or pair it with the iPad Pro and iPad Air for optimal charging performance. Compatible with any USB-C enabled device. Charging cable sold separately. The S23 has a 3,900 mAh battery, while the S23+ is equipped with 4,700 mAh. Interestingly enough, the S23 base model has USB PD 3.0 Super Fast Charging at 25W, while the S23+ and S23 Ultra both Posted on Jun 17, 2023 7:49 PM. Whether you use a 20w or 30w charger will make no difference as the phone regulates the charge. A more powerful charger will provide no benefit whatsoever. But it also won't hurt the phone either, so if you already have a 30w charger, use it. Just don't buy a 30w charger with the hope it will be better, because rPfSarr.