# Gem E4— lithium batteries

**URL:** https://community.electricforum.com/t/gem-e4-lithium-batteries/13816
**Category:** GEM Forum
**Created:** [May 30, 2018, 6:08pm UTC](https://community.electricforum.com/t/gem-e4-lithium-batteries/13816 "2018-05-30T18:08:56Z")
**Posts on this page:** 2
**Page:** 2

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### Author: ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)
#### Post date: [June 4, 2018, 3:31pm UTC](https://community.electricforum.com/t/gem-e4-lithium-batteries/13816/21 "2018-06-04T15:31:29Z")

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IMO You need 2 more of the battery’s you bought from Alan to have a chance at making this work.

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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: [June 4, 2018, 4:32pm UTC](https://community.electricforum.com/t/gem-e4-lithium-batteries/13816/22 "2018-06-04T16:32:16Z")

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I wonder if he would take the 2 6s back in trade for 2 more 12s.  
First see if it runs with what you have. Seems the interlock was the problem.

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