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Stavros Korokithakis 2021-09-09 00:52:09 +03:00
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content/maker-things/battery-discharge-curves.md
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I wanted to buy some Sony VTC6 batteries, and I was wary of fakes, so I wrote a [battery discharge calculator](https://gitlab.com/stavros/battery-discharge-calculator/) with an associated hardware component (just a simple current and voltage sensor). I then took some measurements of my known-good batteries, and the new ones I bought.
I wanted to buy some Sony VTC6 batteries, and I was wary of fakes, so I wrote a [battery discharge calculator](https://gitlab.com/stavros/assault-and-battery/) with an associated hardware component (just a simple current and voltage sensor). I then took some measurements of my known-good batteries, and the new ones I bought.
The methodology was the following: I connected the battery to the sensor, and the sensor to a configurable load. I set the load to draw a certain amount of amps until it reached a cutoff voltage, and then to stop. I then plotted mAh drawn versus voltage, as well as amps drawn.
@ -31,6 +31,6 @@ The performance falls off a cliff after around 3.6V, and it only outputs 1600 mA
* * *
<p style="font-size:80%; font-style: italic">
Last updated on September 08, 2021. For any questions/feedback,
Last updated on September 09, 2021. For any questions/feedback,
email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
</p>