All Questions
18 questions
36
votes
9
answers
135k
views
Will any external battery power a Raspberry Pi?
I am working on a project that needs the Raspberry Pi to work without a mains connection.
I have considered buying a 50000mAh USB power bank. Would this power a Raspberry Pi, and if so, would it ...
- 1
-1
votes
2
answers
85
views
Powering Raspberry Pi 5B with li-ion battries: Pi 5 just won't boot, stops booting mid-way
I've been pulling my hair for a couple of weeks now. Changed batteries, changed BMS, changed step-down module. No avail.
I am trying to run RPi 5B with 4 li-ion cells in 2S2P config. 2S2P -> BMS -&...
- 181
4
votes
1
answer
2k
views
Power with batteries on 3.3V
I've already investigated how to power the RPi with batteries (I did some tests with AA batteries and with 18650 batteries) using a 5V "boost" step-up DC-DC converter, in some other questions here.
...
- 616
4
votes
5
answers
17k
views
Will a Duracell 9V battery power my Raspberry Pi for 24 hours? [duplicate]
Will a Duracell 9V battery power my Raspberry Pi (plus camera module) for 24 hours?
I've tried power banks and the 50,000mAh rating seems a bit exaggerated, considering I'm getting just 5/6 hours ...
- 616
-1
votes
1
answer
406
views
How to turn on a remote battery-operated Raspberry Pi (accessible by Wifi or SSH)?
I am running a cluster of Pi3 and Pi4. Each node runs on a battery and is powered by a solar panel, in a remote area like a farm with no grid. Pis are connected to each other by WiFi in a local ...
CommunityBot
- 1
0
votes
0
answers
18
views
Powering a Pi 4 with a small power bank [duplicate]
For my project SamplerBox, I had done many extensive tests in the past and it was possible to successfully power a RPi 2 for multiple hours with such a small 2600mAh power bank (18650-battery inside), ...
- 792
0
votes
0
answers
43
views
Turning switch on lowers voltage from 5.2v to 3.0v
This is probably a simple question, but I’ve researched a lot and haven’t been able to figure out how to fix the problem.
Basically, I have a Raspberry Pi and a 5-inch LCD screen wired to a toggle ...
- 71.6k
2
votes
0
answers
1k
views
how to power a raspberry pi zero w, with a 2x18650 bay, through GPIO
I'd like to wire this bay to the GPIOs of a rpi zero w.
The bay welcomes 2S 2x18,650.
On each cell is written "9800mAh TR 18650 3.7v Li-ion".
My requirements are :
One micro-USB port must ...
- 21
3
votes
1
answer
944
views
Battery Usage Pi Zero W for video stream
I am trying to do live video streaming from the rasberry pi, meaning the camera is recording a video and then transmitting the live video over wifi.
What is the smallest battery I can use to power ...
- 46
2
votes
2
answers
10k
views
Car Powered Raspberry Pi: Safe Shutdown and Power On
Apologies if this is a duplicate, but I can't seem to find a suitable solution.
I need to power a Raspberry Pi in a car, and for obvious reasons need to shutdown gracefully, however, I need it to ...
- 28.2k
0
votes
2
answers
1k
views
Is it safe to use this battery with the Raspberry Pi Zero?
I have two questions actually:
1) is it safe to use this battery and these wires with the raspberry pi zero?
2) if yes, where do i solder the highlighted (red square) ends to the zero board?
- 422
4
votes
4
answers
6k
views
Battery pack for model B RPI, Thoughts?
Thinking of getting the battery pack linked to below for my model b Raspberry pi, i am wondering if anyone knows anything about it and how could it is because for first glance it looks amazing. Thanks ...
- 131
9
votes
5
answers
2k
views
UPS for raspberry pi
I want to be able to power my pi like a smartphone (ie from battery or from mains (while charging the battery), hot swappable)
I know there are boards like the MoPi that achieve this, but the ...
- 1,560
0
votes
4
answers
3k
views
7.2V battery with Raspberry Pi
I want to use a 7.2V (4200mAh) battery with my raspberry pi but I need to convert the output to 5V (2000mAh), I tried the following formula:
Ω = V / A
but when I try to find the ohms the result is ...
CommunityBot
- 1
0
votes
0
answers
30
views
How does a Raspberry Pi 3 react with low voltage as batteries die? [duplicate]
How does the Raspberry pi react as voltage drops from batteries die? Does it eventually automatically halt or do I need to worry about unpredictable side effects from running the batteries dead?
- 111
0
votes
1
answer
1k
views
How can I display the charge from a battery on my Pi? [closed]
I have a robot that uses a Raspberry Pi 3 Model B and a 12 volt sealed lead acid battery. The battery powers other things (motors, etc), and the Pi receives a regulated current.
How can I display the ...
- 28.2k
2
votes
3
answers
3k
views
Can This UPS(UNINTERRUPTIBLE POWER SUPPLY) Run a Raspberry Pi for 24hours?
I am setting up an experiment that will need to run for 15 days straight and I am using a Raspberry Pi as a data logger. In my place power outages occurs from time to time. I am searching for cheap ...
- 181
2
votes
2
answers
1k
views
Portable power supply for a PiHub?
I love my PiHUB and would like to have a or table power source, so I can make my projects mobile :)
Is there any product that I could use? It uses 3A 5.2V.
Alternatively I'd appreciate any ...
- 17.3k