Fastest Charging Phones of 2021: Charging Speeds Compared
When you’re shopping for a new phone, one of the often overlooked specs you should be considering is the phone’s charging speed or how long it takes for the phone to fully charge.
Although it’s typically true that the bigger the battery, the slower the charge, calculating a phone’s charging speed actually depends on many factors: the phone’s battery capacity (which is measured in milliamp hours or mAh), the phone’s maximum supported charging speed (measured in watts) and the power of the charger you’re using (also measured in watts).
So what’s the fastest charging phone? You may be surprised to know that at the time this blog is being written, it’s not the latest iPhone or Samsung Galaxy but rather it’s China’s OnePlus 9 and 9 Pro that are the fastest charging phones in the world!
Scroll down below to see a full comparison of the charging speeds of the most popular phones and discover the surprising pick for the fastest charging phone!
Fastest Charging Phones (>70% battery gain in 30min):
| Phone model | Battery gain in 30 minutes | Battery capacity | Maximum supported charging speed |
| OnePlus 9 Pro | 99% | 4,500 mAh | 65W |
| OnePlus 9 | 98% | 4,500 mAh | 65W |
| Asus ROG Phone 5 | 70% | 6,000 mAh | 65W |
Moderately Fast Charging Phones (<70% battery gain in 30min):
| Phone model | Battery gain in 30 minutes | Battery capacity | Maximum supported charging speed |
| iPhone 12 Mini | 60% | 2,227 mAh | 20W |
| iPhone 12 | 57% | 2,815 mAh | 20W |
| Samsung Galaxy S21 Ultra | 56% | 5,000 mAh | 25W |
| iPhone 12 Pro | 55% | 2,815 mAh | 20W |
| Samsung Galaxy Note 20 Ultra | 56% | 4,500 mAh | 25W |
| Samsung Galaxy S21 | 55% | 4,000 mAh | 25W |
| Samsung Galaxy S21 Plus | 54% | 4,800 mAh | 25W |
| Google Pixel 4A | 50% | 3,140 mAh | 18W |
| iPhone 12 Pro Max | 47% | 3,867 mAh | 20W |
| Samsung Galaxy Z Fold 2 | 46% | 4,500 mAh | 25W |
| Google Pixel 4A 5G | 46% | 3,885 mAh | 18W |
Slowest Charging Phones (<40% battery gain in 30min):
| Phone model | Battery gain in 30 minutes | Battery capacity | Maximum supported charging speed |
| Samsung Galaxy S20 FE | 35% | 4,500 mAh | 15W |
| iPhone SE | 29% | 1,821 mAh | 5W |
| Motorola Moto G Power | 22% | 5,000 mAh | 10W |
Friends of ChargeItSpot probably already know that whatever phone you may own, fast charging or slow, our phone charging kiosks are equipped with OmniCharge technology, which will always deliver the maximum amount of charge your phone will allow. Want to charge while on the go? Find the nearest ChargeItSpot kiosk with our app. Happy charging!
Source of charging speeds: Tom’s Guide
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