I would like to power the Electron on four AA batteries because sometimes out in the field it would easier to replace four AA batteries than swap out a LiPo battery. Below are the features just documented on power management for the Electron. Which of the features would still work with four AA bat…

tl;dr it's a range when LiPo battery and AA batteries are fully charged. 13.33 < total hours of operation < 18,461 Detailed explanation: Well, it depends on how often you turn on the GSM (cell) module to send data. We know the following: AA batteries have around 400–900 milliamp-hours capacity…

@squeakywheel thank you so much for your detailed response. I will only send data the seven times a day when the sensors are read for about a minute, figuring powering up and down. Hopefully I can try and shoot for around the 1000 hours mark with the Operating Current (Cellular ON, w/powersave) m…

from the Electron docs: The Electron will intelligently source power from the USB most of the time and keep the battery charged. During peak current requirements, the additional power will be sourced from the battery. This reduces the charge-discharge cycle load on the battery, thus improving its …

I will have the Electron in a remote location like I said earlier in the post and USB charging is not an option. It will be easier to replace four AA batteries than bring a charged LiPo battery to replace the dead LiPo battery. My new option is that I want to power the Electron exclusively from VIN …

Start looking at the PMIC functions, what your looking for will be in there if the function does exist which I think it does. [image] Changing Battery Charging Settings - Electron Firmware You could have a look in the open source repo https://github.com/spark/firmware/bl…

Thanks, found the references but kinda of in the dark how to proceed. Can you give a basic example on what I am trying do? What would happen if I connected 4AA batteries to the LiPo jack on the Electron and made sure that I would never plug the Electron into a USB port while connected to the AA s? …

You wold have to mention the function you were trying to use for us to help with it. If you connect the AA batteries to the JST jack then it should work but if you connect the USB it will try to recharge the AA batteries which is not good. So yes do not connect the USB while the AA’s are added. Th…

Thanks @RWB . I have a Photon running with the code I want to use in the Electron running on 4 AA batteries now for over three months. The key is the code runs only seven times a day for about a minute and the rest of the time the Photon is in deep sleep. Yes I have been following on the Forum the is…

Yea if your using Sleep functions on the Photon or Electron when its fixed then you can get by for months on the 4AA’s. I have a Photon + 2000mAh LiPo + Solar Panel + TI low energy harvesting chip sitting in a window and its been up and running for months now staying fully charged. The RED LED on …

Electron Power Managment on Four AA Batteries

Hardware

RWB March 4, 2016, 5:30pm 9

Start looking at the PMIC functions, what your looking for will be in there if the function does exist which I think it does.

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Electron Power Managment on Four AA Batteries

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