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Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 6:00 pm
by Sj.3d.designs
When i have usb plug into wall outlet pi powers up fine show sudomod tft on screen but when i try to run off battery power i get nothing and lipo battery is charged

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 6:36 pm
by dryja123
What have you done to troubleshoot the issue?

Moving this to hardware help

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 7:56 pm
by Sj.3d.designs
I test on vcc and 5v pin multimeter is reading -1

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 8:06 pm
by dryja123
Are you testing voltage on vcc? I wrote a guide on how to troubleshot power viewtopic.php?f=34&t=4115

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 8:17 pm
by Sj.3d.designs
Yes reading 4.2

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 8:36 pm
by dryja123
Do you have sound on the speaker? Also, make sure your SD card is imaged with the latest mintyPi image. 4.2v from the battery is perfect

Re: Mintypi not powering on with lipo connected

Posted: Sun Nov 19, 2017 9:16 pm
by Helder
Check that GND has continuity from the Pi to the battery negative.

Re: Mintypi not powering on with lipo connected

Posted: Mon Nov 20, 2017 7:01 am
by Thump52
Please post pics, sometimes it helps to see the problem.