11/26/2022 0 Comments Disable samsung quick connectIf you need to buy a new one, you should get one with a USB-C port. The wall charger will determine the maximum charging speed (power), as mentioned earlier. To charge Galaxy S21 battery through the USB port, you need: Steps to charge Galaxy S21 battery through a USB cable These covers do NOT affect wireless charging on Galaxy S21. Some official Galaxy S21 covers (e.g., Galaxy S21 Smart LED View Cover, Smart Clear View (S-View) Cover, and LED back cover) use NFC to communicate with the phone. Using other wall chargers or adapters may degrade the performance of the wireless charging. You should use the bundled wall charger for the wireless charging pad. Please note, the wireless charging pad usually is sold together with a wall charger(or an adapter) in the box. You should get a Samsung wireless charger that supports fast wireless charging 2.0 (like this one) if you want to maximize the wireless charging speed for Galaxy S21 battery. Since Galaxy S10, Samsung updated its wireless charging technology with the wireless fast charging 2.0. Fast wireless charging 2.0 (up to 12W, typically 10W).So, It is recommended to use Samsung’s fast wireless charger, like this one. Some third-party Qi wireless chargers may offer a similar charging speed. Galaxy S7, S8, and S9 support this type of wireless charging. Qi wireless standard charging (up to 5W).Galaxy S21 supports the following three wireless charging “protocols”: Over the years, Samsung has improved it greatly. Samsung started to offer wireless charging on Galaxy S6. You can also charge Galaxy S21 battery wirelessly using a wireless charging pad. You may check this guide for a detailed explanation of adaptive fast charging and super-fast charging. You need to use your old chargers or buy a new one. In Galaxy S21 box, there is no wall charger at all. The maximum charging power for Galaxy S21 is 25W. None of Galaxy S21, S21+, and S21 Ultra supports 45W super-fast charging. Galaxy S21 backpedalled the 45W superfast charging on Galaxy S21. If you use the USB-A to C cable, the maximum charging speed will decrease to 15W or even 10W. To enjoy the super-fast charging, you MUST use a USB-C to C cable (like the one in Galaxy S21 box). You can find this type of charger in the box of Galaxy S10 and S20. Samsung called it superfast charging with their own PPS (Programmable Power Supply) profile implementation. Galaxy S21 supports USB-C PD (Power Delivery) 3.0 up to 25W. Samsung shipped this type of adaptive fast charger with Galaxy S6, S7, S8, and S9. The wall charger needs to support both 5V/2A and 9V/1.67A output. Instead of adopting Qualcomm’s QC ( Quick Charge)3.0/4.0, Samsung implemented its own proprietary adaptive fast charging. But you need to make sure the USB has decent quality. Samsung shipped this type of wall charger with Galaxy S4 and S5. You need a wall charger that supports 5V 2A output. There are no requirements for the wall charger (adapter). Of course, Galaxy S21 offers more features for battery charging.īased on charging power, Galaxy S21 supports the following USB charging “protocols”: Occasionally, even the USB cable may play a role.Ĭurrent smartphones support at least 5W USB charging. Almost all smartphones support USB cable charging.īut charging speed differs dramatically due to various charging protocols supported and wall chargers (adapters) used. USB cable charging is common among smartphones.
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