Pi power consumption results.
Raspberry pi 3 power consumption watts.
The raspberry pi 3 launched this week is more powerful than the pi2.
Raspberry pi 4 b.
The uni t clamp meter reads to 3 decimal places of an amp but it won t give a true picture of peak instantaneous current e g.
Here are the same results presented as a chart.
Conserve raspberry pis power consumption.
This matters only when selecting a psu to run your pi you already have the official recommendations of a 3 0 amp psu for that.
Here are the results.
Shooting video is done without saving the video output to the sd card.
It also requires a bit more electrical power if you re going to be hammering those four a53 cpu cores.
An individual gpio pin can only safely draw 16ma.
Let s assume this is 3 watts just for this example.
The power requirements of the raspberry pi increase as you make use of the various interfaces on the raspberry pi.
For raspberry pi 0 3 we recommend our 2 5a micro usb supply.
540 ma 2 7 w ab n 100 c 10 uncached 1010 ma 5 1 w 400 cpu load stress cpu 4 1280 ma 6 4 w raspberry pi 3 b.
The pi zero w has the lowest power consumption whereas the pi 3 b 2018 has the highest.
The gpio pins can draw 50ma safely distributed across all the pins.
The raspberry pi boards typically draw much lower amounts between 200 and 500ma.
Pi state power consumption.
Current and voltage are measured using my emeter also used my clamp meter to confirm this time and calibrated shunt whilst performing four different activities.
If the raspberry pi s power consumption averages 3 watts then you could use a battery that is 50wh the capacity of an average laptop battery is 43 to 85 wh to power the raspberry pi for 16 hours at that average power consumption.
Usage depends on what you re doing with the pi.
The recommended psu is 5 1v 2 5a which is 0 5a higher than for previous pis.
See this post for more information and instructions how to do all of the above.
Emeter clamp meter and bench psu all being used to check power consumption of raspberry pi 3b plus.
All figures in milliamps ma.
For raspberry pi 4 we recommend our 3a usb c supply.
The newer pi 3 a is slightly lower than the b but only if the on board wi fi is disabled.