It's a concern that fast charging protocols are developing fast, and changing fast, and in order to get the best devices, you need to be a semi-electrical engineer. The prevalence of PD (Power Delivery), QC 2.0, 3.0, 4+, etc. has made getting the best charger for your particular device trickier. Then factor in Apple, and now others not providing a charger AT ALL, and you end up with people picking chargers based on the max wattage number and nothing else.
I learned some hard lessons with Samsung's Note 10 Plus's 45 Watt Super Fast charger. It was built so uniquely that Anker 45 watt and other brands didn't deliver the same rates. This was due to it being PD (now standard) which wasn't a problem, but also PPS, which was.PPS is Programmable Power Supply, not common at the time and less so now. It used variable voltage and static current, so instead of 5, 9 or 12 volts it was infinitely variable. See what I'm saying about needing an engineering degree?
I have reached a point where being able to see voltage and amperage gets me a quick wattage value that I'm getting at the plug. Better still is one of these inexpensive (under $20) little multimeters, amazing multicolor display with support for most USB types; micro-usb, USB-C, and USB-A as well as a dongle to change the range (works like the knob on a multimeter.)
Here's a link:
Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter
Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A - - Amazon.com
www.amazon.com
With this attached to the charger output and whatever device you are charging, you know instantly which of your chargers are delivering the most power. Most power = fastest charge.
Also remember to use the hard wired cable to charge
Mavic 3 batteries. A few made the mistake of using the detachable one and it charges SLOWLY
. I tested it, and it's about 15 watts vs. 65.
Happy holidays, be safe out there. No charging in the shower folks!