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0121 - Test and Teardown: LCLEBM 9V Rechargeable Lithium Ion Batteries 

Uni-Byte
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Let's have a close look at these LCLEBM 9V Rechargeable Lithium Ion Batteries. We'll see how they meet claims, how they work, how they are built, how much noise do they make and are they worth buying.
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10 ноя 2023

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Комментарии : 12   
@uni-byte
@uni-byte 6 месяцев назад
Just wanted to add something that I forgot to test and that is quiescent battery drain. Without a load on the battery the boost circuitry still draws about 100uA. Given an average capacity of 470mAh (~1200 @ 3.7V) this means the batteries will need to be re-charged at least every 16 months or so. That is a bit of a drawback given that an alkaline has a shelf life of about 10 years.
@Multi-Skill-Bill
@Multi-Skill-Bill 2 месяца назад
I see what you were saying about the boost converter. I have not taken one apart, but from what you have displayed, yay!, we can rebuild them when they give out. I have a ton of those sized lithium batteries in my box. Thanks for the info and the great video!
@uni-byte
@uni-byte 2 месяца назад
Yeah, they should be rebuildable. Vape batteries might be ideal.
@Taliesen.
@Taliesen. 6 месяцев назад
Just a thought, you are measuring mAh at 9V. What if they are measuring at Li-Ion nominal of 3.7v? 470*9.15/3.7 gets you about 1162 mAh which is a lot closer to their spec. Might just be some creative marketing.
@uni-byte
@uni-byte 6 месяцев назад
You just may have something there. I would not put it passed them.
@andymouse
@andymouse 6 месяцев назад
Nice catch ! you can bet your bottom dollar thats why the numbers are absurd even by cheap import standards.
@pcfreak1992
@pcfreak1992 6 месяцев назад
This product is a great idea but for RF-sensitive applications the little boost converter is going to be too noisy..
@uni-byte
@uni-byte 6 месяцев назад
Maybe in some cases, but it is pretty quite.
@andymouse
@andymouse 6 месяцев назад
Great video and the battery looks well made also I think @Taliesen below has a great point ....cheers!
@uni-byte
@uni-byte 6 месяцев назад
He does!
@jeraldsantos4623
@jeraldsantos4623 4 месяца назад
Do you have contact information from LCLEBM? I need to find this battery in china to purchase large quantity. Thanks.
@uni-byte
@uni-byte 4 месяца назад
Sorry, I don't. I just bought mine off Amazon. They were sold by LCLEBM and you should be able to contact them through their Amazon page.
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