Differences

This shows you the differences between two versions of the page.

--- eeng:topics:batteries:start [2022/10/06 06:53] – created rolf
+++ eeng:topics:batteries:start [2022/10/06 07:08] (current) – rolf
@@ Line 1: / Line 1: @@
-====== BAtteries ======
+====== Batteries ======
-  * https://www.pveducation.org/pvcdrom/battery-characteristics/battery-capacity
+  * [[https://www.pveducation.org/pvcdrom/battery-characteristics/battery-capacity|Adafruit on Batteries]]
-  * https://learn.adafruit.com/all-about-batteries/power-capacity-and-power-capability
+  * [[https://learn.adafruit.com/all-about-batteries/power-capacity-and-power-capability|PV Education on Batteries]]
+  * {{https://biz.maxell.com/en/primary_batteries/CR2032HR_DataSheet_20e.pdf|CR2032 Cell from Maxwell}}
+  * [[https://biz.maxell.com/en/primary_batteries/cr_heat-resisting.html|CR type cells, heat resisting, Maxwell]]
+Battery capacity $C$ in $mAh$ or $Ah$.
+Examples:
+  * $C = 1000\mathrm{mAh} = 1\mathrm{Ah}$
+  * Nominally: Continuous current of 1A for 1h. But: High discharge currents often lead to a reduced capacity!
+  * Better: 10mA for 100h.