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Questions tagged [battery]

In electricity, a battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.

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Portable power RPi 3B+

What's the best way to power a RPi 3B+ in an open field? My requirement is to put this system out in the field for at least a week without attending it in a stretch. As per basic calculations, the ...
peacer's user avatar
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0 answers
19 views

Building a high-current battery test system with Raspberry - Need component and implementation advice

I'm designing a battery test system to charge and discharge a 26.7V battery pack with a maximum discharge current of 60A. We have a load bank and a charger. The system should: Charge the battery to ...
Adam Ben's user avatar
0 votes
2 answers
2k views

Raspberry pi 5 UPS and li-ion battery

Is there a UPS and lithium ion battery combo that works on the raspberry pi 5? I have looked around, but I can only find information on the RTC clock battery. I know the voltage and ampere output for ...
kgaams's user avatar
  • 9
2 votes
1 answer
87 views

Powering a pico with a lipo battery charged by a bike dynamo

So, I am building a gps tracker build on raspberry pico and a neo 6m gps module. Now, I want to power this project with a lithium battery that can offer some autonomy. I was thinking of using a , ...
Edoardo Balducci's user avatar
0 votes
0 answers
35 views

Trying to make a small games device with Raspberry Pi Zero, help with battery?

I'm trying to make a small retropie emulator with a Raspberry Pi Zero. I would preferable like to make it as small as possible. I am thinking of using this premade HAT for the Pi, as I am not very ...
Rishi Sampath's user avatar
-1 votes
1 answer
273 views

Raspberry pi pico W - code don't run when battery powered

I've a Raspberry pi pico W and I the following code works with Thonny IDE but not when battery powered. The pico work with my battery because a simple code which turn on and off the pico led works ...
Ant001ne's user avatar
0 votes
2 answers
438 views

Low power warning when using pi with touchscreen

I’m using a raspberry pi 3B with this DSI touch screen from waveshare. As a power source I’m using this battery hat, which according to the documents should provide 5V. The battery is also fully ...
Alexander Hörl's user avatar
1 vote
0 answers
81 views

Powering Raspberry Pi 3B+ with Multiple Attachments: Recommendations for Portability

Ok so I'll try and keep this short and sweet. Basically, I have all these attachments for my Raspberry Pi 3B+ Raspberry Pi 7" Touchscreen Case for Touchscreen w/ Cooling Fan Raspberry Pi Camera ...
Liebmann5's user avatar
2 votes
2 answers
193 views

Is it possible (and wise) to use RPi Pico W to control an atomiser which has 5V operating voltage?

I’m working on a project which uses Grove Water Atomiser which has 5V operating voltage. I’ve used it with Arduino nano and it has 3 pins: Vcc (5V), Gnd and a control pin which receives the signal ...
Ivan Novikov's user avatar
1 vote
0 answers
127 views

How to connect SD card and battery to Pico?

I have been looking into components I need for a MicroPython project. I needs to be battery powered and be able to read/write to a removable SD card. For this, I have discovered SD breakout boards. ...
SamTheProgrammer's user avatar
0 votes
1 answer
95 views

LiPo Battery HAT behavior

I was reading the description for LiPo Battery HAT for Raspberry Pi and it at best seems very unclear to me: This is not a UPS! The Raspberry Pi will restart when you connect it to the Pi. What does ...
KeyWeeUsr's user avatar
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1 answer
102 views

Powering Pi from solar for monitoring (intermittent monitoring Ok)

I am looking to setup a remote Raspberry Pi to monitor water levels in a tank. There is no power supply but Wi-Fi should be ok. 1 reading a day would probably be fine but we could maybe do it every ...
Roaders's user avatar
  • 271
-3 votes
1 answer
294 views

How much powerful solar battery do I need to power the Raspberry Pi 4B at load and charge batteries to enough energy amount to work at night? [closed]

I need Raspberry Pi that will work autonomously long time. I think about solar panel what will power Pi at day and charge batteries for the night work till the next sunrise. So, how much powerful ...
Robotex's user avatar
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1 vote
1 answer
305 views

How to connect external battery to RPi?

I have a 3S battery controller module with batteries. It has output pins VCC and GND to which I need to connect Raspberry Pi. How to properly connect this module to Raspberry Pi to keep the USB port ...
Robotex's user avatar
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0 votes
1 answer
828 views

Reasons the Pico W doesn't work when powered by new CR2032 battery?

Currently connected to GPIO Pins as per guide/datasheet and it's not powering up. Meanwhile I've got another same unit with the same simple setup/circuit except it's powered by 2 AA batteries and it's ...
Flood's user avatar
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0 votes
1 answer
39 views

Help on placing a LiPo in casing

I'm planning on building a portable Pico Prototyping box using a Pimoroni Pico LiPo and a LiPo battery. My question is if you put all of the parts in a case, is electrical shielding needed between the ...
Commodore 64's user avatar
-1 votes
2 answers
252 views

Raspberry Pi 4 configuration for use with battery

I need to use Raspberry with a battery pack the problem is that in normal configuration Raspberry expect a very stable and costant power supply and even a small change will cause a lot of warnings in ...
AndreaF's user avatar
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1 vote
0 answers
259 views

Battery Information on Raspberry Pi

I am currently using PiSugar 2 Pro for my Raspberry Pi 3B+. While I know that PiSugar has its own server where you can check on battery level, I was looking for a more direct integration with the OS, ...
Xavier Merino's user avatar
-1 votes
1 answer
148 views

Raspberry Pi 4 wifi intermittent latency drop

I'm running Ubuntu Server 20.04 headless on a Raspberry Pi 3 and 4. SSH connection is through a wireless router with only my laptop and the Pi connected. Pinging the Pi (192.168.0.215) shows the ...
bscout's user avatar
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0 votes
1 answer
373 views

can I use a 12v car battery to connect to a L298N h-bridge to control two 12v dc motor [closed]

I am new to the raspberry pi world and electronic in general. so I am wondering if it is safe to hook up 20 AWG wires to a car battery and have those wires going into a L298N h-bridge to power 2 ...
Rick's user avatar
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0 votes
2 answers
179 views

Get Measurements from Battery/Solar Setup

I'm planning a setup with an rpi3b+ and the pijuice hat (battery) and pijuice solar module. It is key to my project that I can access the following data digitally i.e. in the pi: current power ...
rn42v's user avatar
  • 1
1 vote
1 answer
345 views

How to change the color of the desktop background programmatically?

A similar question, (How do I change the Desktop wallpaper from the cli), was asked previously where the person wanted to know how to change the wallpaper. Going through the answers, I discovered that ...
Jim JR Harris's user avatar
0 votes
1 answer
68 views

Problems powering a 3B+ with 7” touchscreen

I’m trying to create a battery-powered RPi 3B+ system and am running into issues almost immediately due to the Pi’s power requirements. I’m testing using a 5V 3A wall power supply which is running ...
SomePoorSchmuck's user avatar
-1 votes
1 answer
386 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 ...
Mohammad Sadegh Aslanpour's user avatar
0 votes
0 answers
17 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), ...
Basj's user avatar
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1 vote
0 answers
129 views

cheapest UPS for pi4 [closed]

I am looking for a better/cheaper way to do power-backup in case of blackouts. Right now it is a PI4 I need to power, and it is powered by a 12V AGM battery (12Ah) PI4 <-> USB-C cable <-> ...
FelixHJ's user avatar
  • 111
-1 votes
1 answer
341 views

Why DHCP logs are missing in dnsmasq-Raspberry Pi-Unifi-esp8266?

I have a network made of Rpi, ubiquities, and esp8266. Raspberry pi is configured as the eth0 to eth1 router. Eth1 is made using a USB to ethernet converter. The Main ubiquiti is connected to the eth1 ...
vishnu m c's user avatar
0 votes
2 answers
295 views

Raspberry Pi 4b- powerbank measure

I want to power my Raspberry Pi 4b with a powerbank. I know that I need a 3A powerbank. The question is: How can I measure it? I want to get a percentage of it (which will be displayed over a website)....
Peti Opál's user avatar
0 votes
1 answer
59 views

Powering aAdafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen. via a power bank. (Needs a bit more power)

I've been having problems getting this set up and now I do believe I know why. I got an Anker Power Bank (26,800mah) Not the Power Core + Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port) Output: 5V ⎓ 6A (5V ⎓ 3A ...
Mark's user avatar
  • 1
0 votes
1 answer
159 views

Battery supplied e-ink photo frame with scheduled wakeup time

I am building a raspberrypi zero eink photoframe. My aim is to create a photo frame that I would be able to put on the wall without cables hanging around, battery powered. In order to achieve this I ...
VDC's user avatar
  • 109
0 votes
0 answers
37 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 ...
Brandon Pyle's user avatar
0 votes
1 answer
1k views

RaspberryPi Zero W with battery life for 7 days [closed]

I know of different projects that are using micro processors - dont know if they are Raspberry models however - but they have bluetooth connection, wifi module and a camera attached. And they are re-...
Patrick's user avatar
  • 103
5 votes
3 answers
9k views

Reduce power consumption Raspberry PI 4

I plan to use a Raspberry PI 4b powered by battery and hopefully to monitor a remote chicken farm and need it to last a week or two on a car battery. If powerconsumption is 1A then with a 60 AH ...
Arvid Carlander's user avatar
0 votes
1 answer
2k views

Battery Management System (BMS) [closed]

I'm making a UAV using raspberry pi and I understand that it does not require a complicated BMS since it won't have complicated circuitry. The only problem I'm facing right now is that of the BMS. I ...
Haroon's user avatar
  • 1
1 vote
1 answer
182 views

Running a Raspberry Pi from a car battery using a Witty Pi 3 (sanity check)

I'm not totally certain that I understand what a Witty Pi 3 Rev2 does so this is by way of a sanity check that I have got it right. The documentation says "Thanks to the on-board DC/DC converter (...
Haydon Berrow's user avatar
0 votes
1 answer
276 views

how to properly make a charging circuit -- 2s 7.4V to 5V 2A

I have 2 18650 li-ion cells, each at 3.7v and this bay with this white connector I saw on youtube that depending on the length of the cell, we can know whether they have integrated "invisible&...
user131094's user avatar
2 votes
0 answers
904 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 ...
user131094's user avatar
1 vote
2 answers
2k views

Using Relays to Power off then Cut power to Pi Zero

I have a raspberry pi zero that I am running off a battery for remote logging reasons. There is a low battery shut off module I have connected to the battery in case the battery gets below a certain ...
blueskies's user avatar
1 vote
1 answer
426 views

24/7 Solar panel + battery to power a Raspberry Pi Zero W [closed]

I need to create a system to have a remote bees monitoring. In this place I haven't the electrical energy. Basically I need to monitor some sensors (5 temperature and humidity sensors). I'm not expert ...
Safari's user avatar
  • 121
0 votes
1 answer
38 views

battery for B+ model?

Could one of these rechargeable battery packs work for a rasp pi B+? Klientool and BestBuy are some options I can packup locally, plus I like Klientools. Any tips greatly appreciated... Klientools ...
bbartling's user avatar
  • 237
0 votes
1 answer
118 views

Can AA batteries have voltage or current spikes?

I'm a noob in raspberry pi and in engineering in general. I had an idea for a project but it requires it to be somewhat portable so I need to power the raspberry somehow. I read this article Where it ...
WarHawk's user avatar
  • 23
0 votes
0 answers
263 views

Is there a reason my GPIO pins have a low voltage?

I'm currently using a Raspberry Pi Zero W running Pi OS Lite. I'm using the following external hats with it: PiSugar 2 Battery 1000mAh link Serial PiZero addon link PiOLED link Here's my situation: ...
Justanothermatt's user avatar
0 votes
2 answers
428 views

Is there any battery for Rpi that can be charged and used at the same time? [closed]

I'm making a security camera using Raspberry Pi 3B+ . I want suitable battery to power my rpi. Is there any suitable battery pack that can power Rpi at the same time recharge the battery? I also found ...
safa mohammedsali's user avatar
0 votes
1 answer
636 views

Shutdown on low power with INA219 UPS HAT

I have a Uninterruptible Power Supply HAT For Raspberry Pi (bought here https://www.cytron.io/p-uninterruptible-power-supply-hat-for-raspberry-pi) and there is an INA219 chip on it. I'm using a python ...
JScoobyCed's user avatar
0 votes
0 answers
54 views

Audio Amp + battery = shutdown on high volume

I'm using the Raspberry Pi Zero W with a DAC, the MiniAmp from HifiBerry (2x3W) , and a pair of speaker 4Ohms 3W for making a connected speaker device. Everything is working great until, in order to ...
Kevin Castejon's user avatar
0 votes
1 answer
448 views

Raspberry pi 0w is making a humming/buzzing sound?

I have a problem with my raspberry pi 0w. The SOC is making a buzzing sound when connected to a li-po. The li-po is 3.7 volts and 1200mah and it is connected to an Adafruit 500c (https://www.adafruit....
Bradley C's user avatar
0 votes
1 answer
145 views

Keep running Pi while charging batteries [closed]

I would like to build a simple automatic irrigation system with Pi zero, the thing is that I don't have access to electricity outside. I thought to connect 5v solar panel + 3\4 chargeable batteries. ...
user1673206's user avatar
-1 votes
4 answers
265 views

Battery Solution for Raspberry Pi 3b

I am working on a project for which I need to attach the four raspberry pi boards on the ceiling of the room (one at each corner). The script that will run constantly scans the BD Address and the RSSI ...
Aditya Paliwal's user avatar
4 votes
5 answers
5k views

Voltage monitoring of battery pack (i.e. before voltage regulation)

I am looking to use four 18650 batteries and a step-down DC-DC converter to power my Raspberry Pi 4. The negative terminal of the DC-DC converter is common for the input and the output. I would like a ...
mr_tuna's user avatar
  • 141
1 vote
2 answers
382 views

powering a pi 3B using two 18650 batteries in series. what circuits do I need? [closed]

I have an raspberry pi 3B I want to use as the brains for a robot car. In my initial setup I used a power bank for the Pi and a powered the motors using a seperate pack of two 18650 batteries in ...
Marc Wagner's user avatar

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