# Electron Charging?

**URL:** <https://community.particle.io/t/electron-charging/20607>\
**Category:** Troubleshooting\
**Created:** [March 1, 2016, 12:59am UTC](https://community.particle.io/t/electron-charging/20607 "2016-03-01T00:59:19Z")\
**Posts on this page:** 1\
**Showing post:** 39

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**Author:** ![ScruffR](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/scruffr/32/6952_2.png) [@ScruffR](https://community.particle.io/u/ScruffR)\
**Post date:** [May 26, 2016, 1:34pm UTC](https://community.particle.io/t/electron-charging/20607/39 "2016-05-26T13:34:00Z")

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I've asked Brett now for that info, and he pointed me to this "backlog" entry

> <https://github.com/particle-iot/docs/issues/408>
>
> \*\*Issue:\*\*
> 
> getSoC() will never report 100% by default
> https://docs.particle.io/…reference/firmware/electron/#getsoc-
> 
> \*\*Reason:\*\*
> 
> https://docs.particle.io/reference/firmware/electron/#setchargevoltage-
> The default charge termination voltage is set to 4.112V for battery safety when exposing the battery to extended temperatures.
> 
> ⚠️ If you are positive you are not operating your Electron above 45°C, or wish to assume all risk with modifying this setting, you can get closer to or achieve 100% by setting the charge termination voltage to 4.208V.

So there will be more, but might need some time 😉

But that entry also contains a valid warning!

> [@](#):
>
> The default charge termination voltage is set to 4.112V for battery safety when exposing the battery to extended temperatures.
> 
> ⚠ If you are positive you are not operating your Electron above 45°C, or wish to assume all risk with modifying this setting, you can get closer to or achieve 100% by setting the charge termination voltage to 4.208V.

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_[View the full topic](https://community.particle.io/t/electron-charging/20607)._