# Electron schematic help

**URL:** <https://community.particle.io/t/electron-schematic-help/47669>\
**Category:** Troubleshooting\
**Created:** [February 9, 2019, 2:08pm UTC](https://community.particle.io/t/electron-schematic-help/47669 "2019-02-09T14:08:29Z")\
**Posts on this page:** 1\
**Showing post:** 62

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**Author:** ![thresholdengineering](https://avatars.discourse-cdn.com/v4/letter/t/4bbf92/32.png) [@thresholdengineering](https://community.particle.io/u/thresholdengineering)\
**Post date:** [March 2, 2019, 2:19pm UTC](https://community.particle.io/t/electron-schematic-help/47669/62 "2019-03-02T14:19:37Z")

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Here is an old post from when I fried my first electron.  
I had tried VIN/GND then stupidly tried VBAT/GND

> [@\[Answer\]- Charging a 9V battery via the Asset Tracker](https://community.particle.io/t/answer-charging-a-9v-battery-via-the-asset-tracker/28237/3):
>
> This is an old topic, but I have similar questions. I just fried my tracker trying to use a 9v battery. I had started hooking the 9v to the blue screw terminals on the GPS shield, but that didn’t seem to powerup the Electron. So I tried using VIN/GND and it still didn’t seem to power everything up right. So… stupid me, I tried VBAT/GND pop (and that unmistakable smell) Needless to say, that split second completely ruined my day. SO… What is the recommended connection? If there is a 9v adapt…

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