Electronics > Beginners

Tips to power Raspberry Pi camera using batteries

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paulca:

--- Quote from: mikeselectricstuff on November 05, 2019, 02:19:03 pm ---Why not just use a standard USB powerbank?

--- End quote ---

Exactly.  I can recommend these:
https://www.amazon.co.uk/EC-Technology-Portable-22400mAh-Smartphone-Black-Red/dp/B00F5Q4F0U

No thrills, on fuss, but it is 22400mAh or close enough.  Some of the cheaper imports you'll find half the LIon cells are full of sand.

atmfjstc:
A USB power bank is not always ideal, though. In particular, it is very large and heavy compared to the Pi Zero itself, and depending on what exactly caribpapi is trying to achieve, the increased bulk and weight might not be worth it. Particularly if he plans on mounting it on a robot - even a ground-based robot suffers from any added weight.

pcmad:
usig a lifium battary power bank on rpi as a ups can be dangerous if continously charged as it can be over charaged

tooki:

--- Quote from: pcmad on December 06, 2019, 12:13:01 am ---usig a lifium battary power bank on rpi as a ups can be dangerous if continously charged as it can be over charaged

--- End quote ---
Dafuck you talking about? A power bank already has all the charging circuitry built in. You can't overcharge it, regardless of application.

The real problem with power banks for things like this can be the issue of not being able to use its inputs and outputs at the same time, so you have to power down the raspi to charge the power bank.

paulca:
There are power banks which have pass through charging.  However finding them is the tricky part.  I researched it for a while an gave up.  Read an article where someone tried about 10 different ones that claimed to be pass through and only found one that was and I couldn't find anyone selling that one.

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