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UPS - Charging a Li-ion battery whilst also powering a load?

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magic:

--- Quote from: magic on March 22, 2020, 06:36:57 pm ---I just set up a script which logs battery voltage on that laptop so I will see what the thresholds are.

--- End quote ---
Time to dig this thread from its grave :)

The script ended up running for over three months before I killed it. And today I plotted the result, prompted by another Li-ion thread.

So this is how my laptop manages its battery. I testify that it spent probably tens of hours permanently on mains power over many years. The battery has been discharged no more than 10 to 20 times. It still holds enough juice for maybe 75% or more of the run time I remember this laptop having when new. This doesn't take into account hardware and software upgrades.

Drumroll... :popcorn:

aheid:
Thanks for providing real data, not unexpected but still very interesting!

magic:
BTW, I forgot to add: time scale is in days and I only posted two weeks.

The rest wasn't any different, so :=\

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