Raspberry Pi power bank?

[TheGermanEngie]

Curious as to how long a Raspberry Pi could potentially last off a typical USB power bank like one from Huawei or something. Would be doing basic tasks in Raspbian or web stuff like LTT.

[Crunchy Dragon]

It depends on how much power the bank can deliver, and how long the bank itself will last.

 

Found this graph:

Spoiler

Source: https://raspberrypi.stackexchange.com/questions/43285/raspberry-pi-3-vs-pi-2-power-consumption-and-heat-dissipation#47840

[Mira Yurizaki]

Do note that the Pi has a large amount of startup current. For instance my Pi 3 doesn't boot on my power bank if I use the 1A port. I have to use the 2A port.

[TheGermanEngie]

18 minutes ago, Crunchy Dragon said:

It depends on how much power the bank can deliver, and how long the bank itself will last.

 

Found this graph:

  Reveal hidden contents

Source: https://raspberrypi.stackexchange.com/questions/43285/raspberry-pi-3-vs-pi-2-power-consumption-and-heat-dissipation#47840

I'll probably put together a DIY powerbank using an enclosure and buying a lot of (batteries?) to keep it charged for a while.

 

Also this graph doesn't look very updated... how would the Zero W fare?

[Crunchy Dragon]

1 minute ago, TheGermanEngie said:

I'll probably put together a DIY powerbank using an enclosure and buying a lot of (batteries?) to keep it charged for a while.

 

Also this graph doesn't look very updated... how would the Zero W fare?

Not sure. The article was asked 2 years ago, so it makes sense that it's not updated.

[TheGermanEngie]

1 minute ago, Crunchy Dragon said:

Not sure. The article was asked 2 years ago, so it makes sense that it's not updated.

Found an article -

 

https://raspberrypi.stackexchange.com/questions/63519/power-consumption-of-pi-zero-w

 

Pretty amazing stuff, how far computing has come. I'll have to see how big of a power bank I can get (or make).

[Mira Yurizaki]

Note that capacity is only half the equation, how much current it can deliver is the other. The graphs are likely while in the OS and again, as I said in my post, the boards may consume a lot of power on startup before settling down.