Are you looking to battery power your Raspberry Pi?
How big a battery should you use?
How long will it power you Raspberry Pi for?
Plug in the numbers to the calculator below and get a very rough estimate of how long you’ll get out of each charge.
Why don’t you try using a Sleepy Pi 2 to optimise your battery life and get the longest runtime you can?
Pingback: Battery PiZero W, PiJuice Zero and a Camera – Brett Beeson
Pingback: How Long Can The Raspberry Pi Stay On? | Raspberry Insider