# Over/under voltage spoof

**URL:** <https://community.electricforum.com/t/over-under-voltage-spoof/14876>\
**Category:** Uncategorized\
**Created:** [November 7, 2018, 9:20am UTC](https://community.electricforum.com/t/over-under-voltage-spoof/14876 "2018-11-07T09:20:12Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [November 7, 2018, 11:26am UTC](https://community.electricforum.com/t/over-under-voltage-spoof/14876/2 "2018-11-07T11:26:11Z")

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Yes, they work by changing the voltage controller sees. Normally raising bottom and top the same amount.  
For 24s lipo +15v.  
Gem will start at 99v and fail to start under 83v.  
What are you looking to do?  
Dave

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