The power requirements of the raspberry pi increase as you make use of the various interfaces on the raspberry pi.
Raspberry pi zero w power supply.
The gpio pins can draw 50ma safely distributed across all the pins.
These numbers assume you don t have any peripherals plugged into the pi or power bank that draw power.
While not the most interesting or mobile option in this list the official raspberry pi power supply unit psu offers 5 1v at 2 5a plenty for most pi projects.
Unfortunately portable power banks that meet these requirements are hard to find and expensive.
Raspberry pi power supply soulbay 5v 3a micro usb ac adapter with 6feet long cord for raspberry pi 3 2 model b b pi a a zero android tablet compatible with dc5v 2 5a 2a 4 8 out of 5 stars 41 10 49 10.
Pisugar portable 900 mah 1200 mah lithium battery power module for raspberry pi zero pi zero w wh model accessories not include raspberry pi 1200 mah 4 1 out of 5 stars 61 39 99 39.
With some reports of unofficial or unregulated power supplies burning out the official psu is a reliable power solution.
For raspberry pi 4 we recommend our 3a usb c supply.
Check out our guide on helpful raspberry pi linux commands.
Needless to say i have done some power measurements in my zero w testing and here are the results.
This is almost certainly due to the new radio chip.
It s a tiny low cost low power mini computer with mini hdmi and the same 40 pin gpio that all other raspberry pi boards use.
Essentially the pi zero w seems to require 20 ma more than the no wifi zero.
Power output the power bank should output at least 2a for the raspberry pi 3 2 5a for the raspberry pi 3 b or 1a for the raspberry pi zero.
It s also one of the safest options.
Kit includes raspberry pi zero w wireless board with on board wifi and bluetooth official raspberry pi zero case with 3 interchangeable lids canakit 1a power supply.
The raspberry pi zero w takes the beloved and extremely popular pi zero and adds wireless lan and bluetooth making it perfect for embedded internet of things projects.
For raspberry pi 0 3 we recommend our 2 5a micro usb supply.
The recommended amount is between 700ma for a raspberry pi model a and up to 2 5a for a raspberry pi 3 model b see power supply requirements in the magpi issue 56 page 39.