diff --git a/Battery-for-ESP8266.md b/Battery-for-ESP8266.md
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--- a/Battery-for-ESP8266.md
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@@ -1 +1,9 @@
-Test
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+Solar Powering:
+
+24/7 Battery:
+Deep sleep and focus every mikroAmpere counts.
+Omit a charging circuit or replaceable batteries (rechargeable)
+
+LiFePo4 Battery (max < 3,6 Volt)
+
+trigBoard has an extremely low power consuption
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