diff --git a/Battery-Possibilities.md b/Battery-Possibilities.md
index 7349fec..0cc2325 100644
--- a/Battery-Possibilities.md
+++ b/Battery-Possibilities.md
@@ -31,4 +31,6 @@ If we use normal AA or AAA BAtteries we may need a regulator to lessen the volta
 
 ### Quelle für einen Testbeispiel eines Batteriebetrieb:
 
-- https://cbrell.de/blog/esp8266-im-batteriebetrieb/
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+- https://cbrell.de/blog/esp8266-im-batteriebetrieb/
+
+On the website above is a promising battery operation in their test 5 with three AAA batteries from Aldi Nord, a LDO, deep sleep and three DS18B20.
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