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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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@ -4,7 +4,7 @@ weight = 1
sort_by = "weight" sort_by = "weight"
insert_anchor_links = "right" insert_anchor_links = "right"
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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. 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
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<p style="font-size:80%; font-style: italic"> <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>. email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
</p> </p>