Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [alternative-power]

The methods for powering the Raspberry Pi via sources other than its micro-USB connection.

The methods for powering the Raspberry Pi via sources other than its micro-USB connection.

For other power methods that relate to the Raspberry Pi's micro-USB connection, please use the tag.

120 questions
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7 answers

How can I run the Pi on Solar Power?

Has anyone successfully set up their Pi to run on solar power? If so, what would be the cheapest way to sensibly and reliably achieve this, using a combination of solar cells / batteries / voltage regulators? Is it a case of just building panels…
berry120
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11 answers

How do I build a UPS-like - battery backup - system?

As we all know, the Raspberry Pi doesn't really use that much power (5v + 700mA is the spec). I'd like to build a battery backup for power outages in a DIY-ish fashion. I don't need surge protection or any other fancy options, just security from…
Riku L
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10 answers

What do I need to know to power from batteries?

What voltage range can it accept? What sort of batteries are appropriate?
Highly Irregular
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41
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7 answers

Powering without using the micro USB

Is it possible to power the device without using the micro USB? For example, is it possible to use PoE (Power over Ethernet)?
ramblinjan
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35
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8 answers

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 power it for more than 24 hours?
Joel
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34
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6 answers

Powering a PI from 12V

I'm thinking of installing my Pi down at my wife's stables which have a 40W solar charged 12V DC lighting circuit. Since the Pi runs at 5V I'm thinking that a quick and easy way to step down the voltage safely would be to use a microUSB mobile phone…
DaveG
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21
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3 answers

Can the USB ports be used to power the Raspberry Pi?

Does the power need to be supplied via the micro USB port or can one of the two normal USB ports be used as well? I intend to use SSH only, so the USB port would not be used in any other way, but I'd prefer to have all plugs on one side. (Model B…
Tobias Kienzler
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14
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2 answers

Powering Raspberry Pi and other USB devices through a single USB Hub

I bought a powered 7-port USB Hub, which has 7 downstream ports, 1 up stream port and one power port. My question is can I connect both Raspberry Pi and the USB devices that I want to use with Raspberry Pi and power them through the sample USB Hub…
Sudar
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11
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3 answers

Powering Pi from Ni-MH batteries

I would like to power my RPi2 from the 5V GPIO pin via 4 Ni-MH rechargeable batteries (4.8V) but I'm afraid about peak current. Can it somehow produce more than 2.5A? Should I use a fuse to limit that current?
Quest
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11
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1 answer

If I power my Pi from GPIO, can I detect that it's not being powered by USB?

I'd like to create a backup power solution for my Raspberry Pi, and I'd like a notification to come up that the Raspberry Pi is running on this backup power. This notification has to tell me that something happened and I'm running out of time. Can I…
User7391
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4 answers

Powering the raspberry Pi from USB + microUSB, is it safe?

I want to power a Pi model B from a powered USB hub. I got surprised that the Pi powers on with only the USB attached. A little search in the forums confirmed me that it is a working solution. I measured the voltage between TP1 and TP2 and it says…
Alessandro Da Rugna
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9
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5 answers

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 transport to South Africa will be more than the board…
JacquesL
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8
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1 answer

Waterproof solar battery enclosure for my Pi?

There are numerous topics out there about powering Raspis from batteries or from solar or just making a waterproof enclosure... But I'm a programmer, not an electrician. I would end up plugging the flux capacitor into the manifold, blowing up the…
Oli
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2 answers

How long can a RaspberryPi run for on 4 or more AA batteries?

I'm looking to power my Raspberry Pi via rechargeable batteries, but I would like to know how long can it run with x number of batteries. I want to eventually be able to mount it outside and solar charge the batteries and then have the Raspberry Pi…
Patoshi パトシ
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7
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2 answers

Can I use a DC-DC step up module to power a Raspberry Pi from 2AA batteries?

I understand that I can use 4AA batteries and a step down module to get 5V and power the Pi, however briefly. However, now I'm getting real outrageous and want to trying powering the Pi from just 2AA, even if just for 5 minutes. The deal is, I have…
jake9115
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