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Author Topic: Batteries During COVID break  (Read 432 times)

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Offline gmm6797

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Batteries During COVID break
« on: December 04, 2020, 09:58:15 AM »
How are people maintaining the life of their batteries during this "concert vacation"?

I have mostly Nimh batteries (AA, Sony Camcorder batteries and some External USB batteries).... I would like them to not be too dead when concerts come back around (next summer, maybe?)

Offline jerryfreak

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Re: Batteries During COVID break
« Reply #1 on: December 04, 2020, 10:01:15 AM »
your camcorder and usb batts are probably li-ion. best storage conditions for those are 40% charge in a cool environment

nimhs should also be kept in a cool environment, but fully charged once a year
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re:this R700 door issue (https://taperssection.com/index.php?topic=196992.0;topicseen) you need to lubricate the mechanism so the limit switch that makes-on-open gets full contact. a hack is a quick tug on the metal bar below where the tape sits, wil close the switch and prevent retraction

Offline gmm6797

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Re: Batteries During COVID break
« Reply #2 on: December 04, 2020, 10:45:16 AM »
your camcorder and usb batts are probably li-ion. best storage conditions for those are 40% charge in a cool environment

Just curious why 40%? The camcorder battery charger shows actual % and when I put a couple on, they were only down in the lower 80's after sitting for about 8 months.... should I run them to 40% and then it is safe to leave them as is for a while?
Thank you!

Offline jerryfreak

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Re: Batteries During COVID break
« Reply #3 on: December 04, 2020, 10:53:27 AM »

Just curious why 40%? The camcorder battery charger shows actual % and when I put a couple on, they were only down in the lower 80's after sitting for about 8 months.... should I run them to 40% and then it is safe to leave them as is for a while?
Thank you!

presumably electrochemically its the best. see table 3

https://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries

currently "banned" for this "controversial" post
email me if you need to connect

re:this R700 door issue (https://taperssection.com/index.php?topic=196992.0;topicseen) you need to lubricate the mechanism so the limit switch that makes-on-open gets full contact. a hack is a quick tug on the metal bar below where the tape sits, wil close the switch and prevent retraction

 

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