Charging a Watch via Smartphone

[Stefano M64]

Hi guys, I wondered if it would work, so I tested that yesterday and the answer is yes. It could be a backup solution in some situations.

[Tieutieu]

@Stefano-M64 are your sure it’s not the watch that charges your phone ??

Joke appart, never tested such thing, not sure it works with iphone

[Lazyjones]

@Stefano-M64 I think only phones with charge-back function.

[aiv4r]

If the charger would be USB-C that would be a real option

[Lazyjones]

@aiv4r There is chance that if phone has OTG, then using proper usb-x-usb-x adapter you can charge some of low-power devices
Very interesting, I will try it for myself too.

[Stefano M64]

@Lazyjones said in Charging a Watch via Smartphone:

@Stefano-M64 I think only phones with charge-back function.

don’t know, I guess that all recent smartphones (at least Android ones) should be able to act as power supply to usb attached devices. The simplest way is to try!

@aiv4r said in Charging a Watch via Smartphone:

If the charger would be USB-C that would be a real option

it’s enough to buy a USB-A to USB-C adapter (quite cheap, just about 2 euros) , it can be useful in many occasions

[Egika]

@Stefano-M64 correct.
As most phones can also connect USB memory sticks, they are able to power them.

And: Afaik there is a European regulation about chargers, that require them to be USB-C
This is why Suunto Run has a USB-C charger. And upcoming new models as well.