Re: What You Need to Charge the G7X iii or G5X iii by USB-C
khunpapa wrote:
siberstorm27 wrote:
khunpapa wrote:
My PD charger is about 1.5" x 1" x 0.7", less than 100 grams. It can do quick charging too. Cost about $30.
World already changes. IT changes fast. BTW, no car has backward compatibity with cart.
This is another ass backwards design and trying to justify it by saying its the future is extremely stupid. Power Delivery is designed for high power output, usb-c laptops mostly. and the spec can go up to 100w of power. This is a CAMERA. It uses the same dinky battery as older models.
Nice work! Keep on trying to be looked smart.
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PD is not just for high power. It's for faster charging. Only IQ-deficiency photographers can't think what the fast charging mean. Not their fault. They may not know that this world has iPhone. They love to buy dozen batteries while complaining that one battery has juice for only 200 shots.
Canon may be not smart or intelligent. So most they can do is earning billions while the smart hobbyist photographer is obsessing with DPR posting.
Charging is not magic. It's just electricity. Watts. Voltages and amperes.
Each device can be charged using certain voltage(s), and it has a maximum amperage that it will suck out of the charger (if the charger can provide as much). The Qualcomm QuickCharge 3.0 protocol for example can provide 18W max, in the form of 9 volts x 2 amperes, or 12 watts and 1.5 amperes. (It can use 5 volts too, but then it won't reach 18W for reasons that I won't get into here.)
That is to say, a phone with QC3.0 will be charged with 9V and 2A max. If the charger can push 2A at 9V then that's what it'll be. If the charger can only push 1.5A, then that's what's flowing. If the charger can push 10A, the phone will still "suck" 2A and not the full 10A.
PD is a (smart?) protocol where a high-powered charger can provide different specs for different devices. So yes, it CAN charge quickly IF the device has a charging protocol (i.e. a combination of voltage and ampere) that will charge it quickly.
You can have a 100W PD charger but your phone will only be charged at 18W. (Which pales in comparison to the newer 20, 25, 30, 40W standards out there -- which the charger CAN push but the phone won't pull.)
It's like a highway, capable of accommodating high-speed cars, but it doesn't mean that all cars passing through will do so at high speed. It still depends on the car.
It's all just voltages and amperes, man.
If the old charger is only 3W then an ancient phone charger capable of 5V and 2A (i.e. 10W) will charge the battery mighty fine. No PD required.