“How many watts does the adapter need to be to allow for quick charging?”
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Hi, this is from the official reference guide: "Power source: DC 5 V: When charged using USB." "USB AC adaptor: A commercially available USB AC adaptor capable of supplying an output current of 1.5 A or more." You need a charger that can output 5V with at least 1.5A. 5V * 1.5A = 7.5W. So the answer is: at least 7.5 W. I think any PD (Power Delivery) charger with 5V/3A works. Note: 5V/3A on a charger means: 5V with "at most 3A". The current will be decided automatically by themselves. (The voltage 5V is fixed though.) If you have a Thunderbolt 3 port on your computer, it will work as well. (Thunderbolt 3 supports 5V/3A output.) You will need a USB-C to USB-C charging cable. Other voltage level like 9V, 12V, 15V, 20V will not be activated. Don't worry.
Sorry, there was a problem. Please try again later.I use a 5Watts 2AMP charger
Sorry, there was a problem. Please try again later.There's no quick charging per se. However, going by typical 5v lines, Sony recommends a minimum of 1.5a. So if your charger can output 5v at 2 to 3 amp, then you may be fine. I wish Sony would publish their electrical input limit, or whether or not the headphone could handle a USB-PD source.
Sorry, there was a problem. Please try again later.I don't think it is a matter of wattage, it is just the way the Li-Ion batteries work. They are much easier to fill up when they are empty then they are when they are above 80%. I have an electric car and I can get the first 150 miles on in just a few hours but it takes a lot more time to tack on the final 100. It is almost like you need more pressure to shove in those remaining electrons in all the empty spaces.
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