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Old 03-18-2018, 04:56 PM   #1
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Lithium Battery Discharge Question

I have a Battleborn Lithium battery (100 AH) and due to series of events beyond my control it has become almost totally discharged.

What are the consequences relative to the battery? Will it be damaged?

Thanks!
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Old 03-18-2018, 07:18 PM   #2
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The built-in battery management system is designed to prevent total discharge so you will be just fine.

https://battlebornbatteries.com/wp-c...-Cut-Sheet.pdf

Gotta love technology
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Old 03-19-2018, 09:15 AM   #3
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Originally Posted by Hans627 View Post
I have a Battleborn Lithium battery (100 AH) and due to series of events beyond my control it has become almost totally discharged.

What are the consequences relative to the battery? Will it be damaged?

Thanks!
Tell more.
I have not tested the BB BMS (battleborn battery management system) on my two 100Ah ers.

I have gone as far as an indicated 95% discharge.
How far did you go?
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Old 03-20-2018, 08:24 PM   #4
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Originally Posted by mythbuster88 View Post
Tell more.
I have not tested the BB BMS (battleborn battery management system) on my two 100Ah ers.

I have gone as far as an indicated 95% discharge.
How far did you go?
I checked the battery with a volt meter and hardly got a reading at all. It was .17 or something like that. I thought the it was near zero from the reading. But I plugged it into the TV and in several minutes it "came alive" and the reading was 12.8 (which according to my state of charge chart is about 20% of remaining capacity).

So I am assuming the BMS was working as it should. I'm glad to hear that there is no permanent damage.
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Old 03-21-2018, 09:47 PM   #5
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As a suggestion when using a piece of test equipment such as a voltmeter a pre-check of the meter is always advisable. Looks like your meter was reporting something else.
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Old 03-22-2018, 06:22 AM   #6
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As a suggestion when using a piece of test equipment such as a voltmeter a pre-check of the meter is always advisable. Looks like your meter was reporting something else.
A good suggestion. Thanks!

Doesn't the explanation make sense? As in that should never happen? Just trying to learn about electrical things as it is one of my weak areas of knowledge.
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