Questions tagged [ups]

This tag is for questions relating to Uninterruptible Power Supplies designed to provide power when a normal supply fails; inside the scope are: custom units specifically designed for the Raspberry Pi; general units more often associated with PC hardware; and "home-brew" devices. (Usually) based on some sort of Battery technology and almost universally designed to replenish them when the normal supply that it stands in for returns.

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26 views

Most recommended power-supply option from dual-port Powerbank

I have a Raspberry Pi 3 model B [1]. It's powered by a DC adapter that outputs 5.1V and 2.5A. Although I consider ocassional manual reboots, I'm planning to use a Powerbank as some kind of UPS, after ...
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0answers
81 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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0answers
66 views

StromPI UPS on Pi Zero

Has anybody used the StromPi UPS with a Raspberry Pi Zero, and if yes, which version? I'm asking because the Pi Zero is not in the manufacturer's compatibility list (probably not a big deal with the ...
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2answers
279 views

How to make ups hat run safe shutdown on raspberry when disconnected from the power source

It can be long discussion, because there is no single solution around this, so, to cut the story short, I will tell where I stuck on my way. It is AndroidAuto (media centre in car on raspi) project I'...
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1answer
260 views

Detecting when a UPS kicks in

So, this is probably a matter of buying the right UPS but I am currently using a Pi to control my aquarium via relays. I'd like to hook the whole system to a UPS in case of powerloss. Ideally, I'd ...
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1answer
122 views

Using Geekworm UPS HAT while powering the raspberry pi from micro usb?

I recently ordered a Geek-worm UPS HAT Board included with a 2500mah Lithium polymer battery. Can I connect this to my raspberry pi and power it on and then provide power to the raspberry pi through ...
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2answers
308 views

Raspberry Pi UPS - Thoughts for off shelf items

I've been looking at off the shelf raspberry pi UPS/shutdown controllers. I've come up with 4 and wanted somebody to weigh in on the choices. My use case is pretty strait forward. I want the pi to ...
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1answer
252 views

Uninterruptible Power supply for PI 2 B+

Will it be possible to provide short term power to the B2+ model with the following setup? 5V 2A 44W Uninterrupted Power Supply Alarm System Security Camera Dedicated Backup Power Supply 6-10 Hours ...
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1answer
343 views

UPS Pico - Change Shutdown time delay

I've got a UPS Pico for my Raspberry Pi (https://www.modmypi.com/raspberry-pi/power-1051/ups-boards-1051/ups-pico) and it works perfectly except for the fact it takes about 1-2 minutes to actually ...
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0answers
259 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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1answer
5k views

How to make a simple, reliable 15-second UPS for shutdown?

Use case: On power loss, the pi is to gracefully close all I/O (already kept to a minimum) and shut down, to be manually rebooted later. A supercapacitor works (I think; not sure of voltage near the ...
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0answers
288 views

Raspberry pi UPS with dual power supply

I'm now building a project with a raspberry pi, and GPS module, a touchscreen and a UPS. Now, when I use the UPS, I need to supply power from the UPS to the pi. However, the soyrce o the power will ...
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1answer
2k views

NUT + CyberPower data stale

I've got upsmon (nut-client) and upsd (nut-server) set up and almost fully working on an RPi3. Connected is a CP1500PFCLCD UPS via USB. upsd and upsmon start up perfectly every time. However, given ...
5
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1answer
11k views

DIY uninterruptable power supply (UPS) for Raspberry Pi Zero

I have several pi-zero boards and I utilize them to monitor environmental conditions (such as humidity, temperature and intrusion) of each room in home. For continuous operation, I want to eliminate ...
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1answer
514 views

Raspberry pi shutdown and power back on with UPS

So I have an UPS, but I want to be able to shutdown the pi and power it back on (by pressing a button or so). But I don't know how I can do this... The UPS I'm using is te Geekworm UPS: Someone ...
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0answers
34 views

Raspberry PI UPS that doesn't shutdown the pi [duplicate]

So, I want to make an UPS for my raspberry PI, but the UPS needs to be able to supply power to the pi for several hours. So I mean this: The pi originally gets power from the wall socket, but in ...
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1answer
771 views

Battery power supply and safe shutdown on power outage

I'm completely new with Raspberry Pi. In fact I'm just planning to buy a Raspberry Pi 3 Model B, but I don't have anyone yet. I want it to be running 24/7 so I'm worried about power outages. I've been ...
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2answers
481 views

Making a battery pack UPS with GPIO signal

I'd loke to build a UPS for in-car use. I am powering my pi with a 12v to 5v DC-DC converter. I'd like to use a phone battery pack as the ones sold at dollar stores with a relay/transistor that sends ...
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3answers
1k views

Easiest way to delay shutdown by a few ms after power loss

I'm looking for the easiest way to delay the loss of power to the pi (for a duration on the order of milliseconds) after the power supply is lost. I'm no good at designing circuits and I'm guessing ...
2
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2answers
78 views

Year Long Raspberry Pi Timelapse

I am making a year long Raspberry Pi time lapse, I have a script that takes a picture every day but if there is power cut, the Pi turns off, and the script is stopped so I need the Pi on 24/7—any ...
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0answers
398 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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1answer
165 views

Drawing 5V from USP Pico when Raspberry not powered

Is it possible to draw 5V from the UPS PIco module when the Raspberry Pi2 is not powered (i.e. when the UPS is powering the Raspberry)? My setup is as follows: The primary source is 12V. The 12V ...
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1answer
1k views

PI2B safe shutdown procedure on low battery and auto start

I have a RPI2B controlling a mobile CCTV setup. System runs on 12V (solar panels + batteries) with a low voltage disconnect (LVD) and PI powered by a buck step-down converter. RPI drives a relay via ...
0
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1answer
410 views

For how much time does a 600 VA UPS run my RPI 2?

I am planning to buy a 600VA UPS as power backup for my rpi 2. Can someone please help me to find out how much time it can run my rpi? I am running rpi with a 5.3V 2A usb charge and connected a 500 ...
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0answers
708 views

Unable to shutdown Raspberry connected to UPS

I'm quite new to Raspberry world and I need you help :) I've configured my Pi as a small NAS and download station but I also use it to manage some sensors in my house, so I bought an UPS. The ...