Using a RaspberryPi/DVMega combo with a 16000mAH battery

boomertype
New Member

Posts: 4

Using a RaspberryPi/DVMega combo with a 16000mAH battery Jan 25, 2016 14:50:33 GMT -7

Quote

Post by boomertype on Jan 25, 2016 14:50:33 GMT -7

I spoke to Anker this morning about using a one of their portable batteries that us a Intellicharge technology. The state it will handle a RaspberryPi and keep the voltage within acceptable levels. The was a "however" - if the RaspberryPi switches to a low power state, the battery may shut off because the battery thinks it no longer needs power.
So question - Does anyone know if you are using a RaspberryPi/DVMega combo - does the Pi every go into the low power state?
Thanks in advance.

Jim Fielder
WA7VFQ

W6KD
Administrator

Posts: 419

Using a RaspberryPi/DVMega combo with a 16000mAH battery Feb 2, 2016 9:11:00 GMT -7

Quote

Post by W6KD on Feb 2, 2016 9:11:00 GMT -7

No, there's no such thing. Closest thing to a "low power state" would be after the OS has shut down, at which point if you could make the power brick shut off automatically it'd be a feature instead of a bug. :-) But the Pi/dvMega with DStar Commander running will draw around 250-300mA...more if you're using a WiFi dongle for internet connectivity.

Regards

Bob (W6KD)
Colorado Springs, CO
D*STAR Hangouts:
XRF555A (persistently linked to XRF002A)
XRF720C (Colorado Front Range reflector)

boomertype
New Member

Posts: 4

Using a RaspberryPi/DVMega combo with a 16000mAH battery Feb 3, 2016 17:09:12 GMT -7

Quote

Post by boomertype on Feb 3, 2016 17:09:12 GMT -7

After extensive research on this subject, I've come to the conclusion that the power level of the Pi has very little fluctuation in it's power requirements. Especially when running a DVMega, as the radio is always running.
I did a usage test and found the battery lasted 25 hours and still had .25 of it's usable power left. No glitches, no problem.