diff --git a/content/maker-things/battery-discharge-curves.md b/content/maker-things/battery-discharge-curves.md index f7b5d44..e8ff302 100644 --- a/content/maker-things/battery-discharge-curves.md +++ b/content/maker-things/battery-discharge-curves.md @@ -16,7 +16,7 @@ Here are the graphs: This is a genuine (as far as I can tell) Sony VTC6, fairly used in high amp draw situations (I use it in my plane), in a 3S configuration: -![curve_old-3s_2021-09-08_02-53-53.png](../../resources/58a35a63ebd14513b13a8e50c6938289.png) +![curve_old-3s_2021-09-08_02-53-53.png](../../resources/71aaa540c06d48e59559d05627ceffa4.png) You can see that it output around 2600 mAh before I stopped it at 3V, which is quite good. @@ -24,10 +24,16 @@ You can see that it output around 2600 mAh before I stopped it at 3V, which is q This is a pretty blatantly fake "Sony VTC6", brand new, in a 2S configuration: -![curve_new-vtc6_2021-09-08_18-54-58.png](../../resources/1be705ff4fe44682b6491cf8631effe7.png) +![curve_new-vtc6_2021-09-08_18-54-58.png](../../resources/2d20e92b9b2247e39de7458e0b341d45.png) The performance falls off a cliff after around 3.6V, and it only outputs 1600 mAh before it dies completely. +Trying to draw 6-7A is even more spectacular (and it gets very hot to the touch): + +![curve_new-vtc6-6a_2021-09-08_23-57-29.png](../../resources/b3a7a012f9d5418e9e2e9867fd23df61.png) + +Notice the huge voltage sag right as the load starts drawing. + * * *

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