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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Are there any battery backup options that work with a PoE powered Pi?

Looking to have a Pi (4) that is powered over PoE - are there any battery backup options (i.e. hats) that can be stacked with the PoE hat & supply power if/when the PoE fails (and then re-charge ...
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91 views

Raspberry Pi UPS with LiPo Battery

I have been working on a battery back up for my raspberry. The idea is classic: connect power bank to wall outlet and raspberry to power bank output. It works well with only battery power. But when ...
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57 views

How to extend battery life on custom pi laptop

So I'm trying to make a pi laptop based on this project with a few differences: I use this display instead of this Technically, I'm using 18650 cells, but at a slightly reduced capacity No Arduinos ...
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402 views

Using external cellphone backup battery as “UPS” for Pi?

I'm currently experimenting using an external power supply (for cellphones) as a type of "UPS" for my Pi. It seems to work quite well. Can anyone think of a reason why this isn't a good idea? I got ...
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43 views

RaspberryPi is not provided with enough power

Im trying to learn robotics with raspberrypi but im having a problem. I have 6 AA batteries that are connected to a LM2596S adjustable voltage regulator module, Which then is connected to the ...
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62 views

Power Raspberry Pi using GPIO Pins and a 10A supply with 7805

I am currently working on a project where i have micro-controller,stepper drivers etc all powered through a single 12v 10a power supply. I was planning to use the same supply to power the raspberry pi ...
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269 views

Using Raspberry Pi Zero W connected to LM7805 or dc buck converter from UPS LEAD acid battery

Planning to build battery backup for raspberry pi zero w that last for days from 12v lead acid PC ups battery. Parts PC UPS, https://www.youtube.com/watch?v=-Ur-D37-juo LM7805, https://www.ebay.in/...
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214 views

Using Raspberry Pi with Powerbank Accumulator

I wanted to power my Raspberry Pi 3B plus some sensors and an additional Huawei modem with a Powerbank. When turned on that's no problem, everything works fine. But I want to measure some enviromental ...
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37 views

2 Raspberry Pis 1 Battery

I'm working on a project, here's the deal... I have 2 raspberry pis (3B, and a zero w) and 1 battery (3.7V LiIon 1200mAh). I bought a PowerBoost 1000 (A "DC/DC boost converter module can be powered by ...
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45 views

Choose a boot partition based on rtc contents

We ship units which have an expected life in the field of ten to twenty years. They include an RTC with a replaceable coin cell. Most of the time the machines will be powered on, so the RTC battery is ...
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172 views

Raspberry Pi Backup Battery Hat V1.2 battery level

My question is about Raspberry Pi Backup Battery Hat V1.2 specification. Is it possible to see somehow level of battery discharging (% of battery charge) by using the operation linux system like ...
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100 views

Will my Pi running on a battery be damaged as the battery dies?

So I know that providing a Pi with too little power can potentially cause physical damage to the circuitry (brownout). I don't 100% understand how or why this happens. I know that it seems a lot of ...
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202 views

Lipo battery hat or attachment which supports seamless USB recharging

I just want to add UPS functionality to some of my flock of raspberry pis, and with an emphasis on portability. One of the ways to get this is with certain USB battery banks. I have one here that is ...
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1k views

Running my pi and 7" screen off a battery

What I have: Raspberry Pi 3 Raspberry Pi 7” Touchscreen Display Raspberry Pi 7" Touchscreen Display Case I would like to make this thing portable and would like to add a rechargeable battery. In ...
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341 views

Rechargeable battery for PI 3 and LCD

Currently working with a PI 3 and a 10 inch LCD, but as of right now I have 2 power cable, one for the PI and one for the LCD. I'm looking for a way to power the PI and the LCD with a rechargeable ...
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465 views

Battery Charging / Management Board Recommendations

I am trying to build a portable device using the Pi Zero W and some 5V sensors. For the power supply I thought about a power bank meant for charging phones. The problem is that to power the device off,...
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88 views

How can I wire a separate battery pack and control it with the 40-pin GPIO?

I am building a high altitude balloon and I need another way of bringing it down besides the balloon popping. I would like to regulate a battery pack with the GPIO on the Pi in order to heat a ...