Hi All, I was trying to optimize battery life for an application. So I am working on a project trying to collect data from two sensors, wakes up every 8 hours and uploads the data collected to the server using the Boron LTE (based in New Zealand). The goal was to achieve a product that could last 6…

If the device is sleeping for 8 hours you definitely want to turn the cellular off. Here is some rough guidance on current consumption when sleeping: [image] You are talking about 128 uA vs. 14.2 mA current draw when sleeping. In general practice, if the primary concern is life of the battery, you …

@jgskarda , Agree with your math with one addition. When looking at battery life, it is important to consider the entire system not just the Boron. To realize these low battery levels you will need an external real time clock and there is likely some (small) draw from the sensors too. Finally, I…

Thanks @jgskarda and @chipmc for the suggestions. I wired up another Boron over the weekend using the SystemSleepMode::ULTRA_LOW_POWER as opposed to STOP. Also explicitly turned network off with Cellular.off . So 6000 mAH battery set to wake up at 1 hour, send data directly to the server (no webhoo…

@Joseph17 , It does looks like progress and I look forward to hearing more. Just curious, why not look at the state of charge for the battery instead of voltage? Thanks, Chip

Yes @chipmc . I had purchased Linear Technologies LTC4150 from Sparkfun as you tried in Boron - One Year Battery Life Project . I do feel that would be the best and most acurate way to calculate consumption. Waiting for it to arrive :slight_smile: . Regards, Joseph

Boron Battery usage while not using Webhooks

Firmware

Joseph17 April 30, 2021, 12:00am 2

I did come across this page - https://community.particle.io/t/boron-one-year-battery-life-project/52343. Provided valuable information.

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Boron Battery usage while not using Webhooks

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