# Understanding lithium for Gems

**URL:** <https://community.electricforum.com/t/understanding-lithium-for-gems/19477>\
**Category:** GEM Forum\
**Created:** [July 25, 2020, 6:52pm UTC](https://community.electricforum.com/t/understanding-lithium-for-gems/19477 "2020-07-25T18:52:48Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![MikeKC](https://avatars.discourse-cdn.com/v4/letter/m/90ced4/32.png) [@MikeKC](https://community.electricforum.com/u/MikeKC)\
**Post date:** [April 30, 2021, 2:29am UTC](https://community.electricforum.com/t/understanding-lithium-for-gems/19477/27 "2021-04-30T02:29:41Z")

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I think this is the thread - be ready to get confused… LOL

> [@08 main breaker](https://community.electricforum.com/t/08-main-breaker/5111/54):
>
> It’s not a breaker in the sense that it provides over current protection. It’s just a safety disconnect. Will not survive opening under even a modest load. It should have a label saying as much. A 350amp DC circuit breaker would be the size of one of your batteries.

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