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--- pitel:meshtastic [28. 11. 2025, 17.38:34] – [Meshtastic] PiXi pitel
+++ pitel:meshtastic [31. 01. 2026, 12.15:29] (aktuální) – [Meshtastic] 18650 battery + case pitel
@@ Řádek 12: / Řádek 12: @@
     * Case: [[https://www.printables.com/model/741974-h1-case-for-heltec-v3-running-meshtastic|H1]], [[https://www.printables.com/model/797822-bender-battery-case-for-the-heltec-v3-heltec-t114|Bender]]
     * Antenna: [[https://www.aliexpress.com/item/1005004607615001.html|Gizont]]
+    * 18650 battery + case
 ===== Settings =====
   * ''EU_868''
@@ Řádek 23: / Řádek 24: @@
     * Be extra careful with soldering battery leads!
     * Careful with brown-outs when voltage gets too low!
+    * Sometimes, it doesn't boot up correctly and reset button needs to be pressed.
   * CN3791 MPPT charging board
     * Xiao's charging circuit sucks and will cause brown-outs when powering through USB!
@@ Řádek 29: / Řádek 31: @@
     * 5V is not enough!
     * It needs a direct sunlight. It doesn't seem to work at all when shaded.
+    * One morning of sunlight fully charges the battery after one week without sunlight.
   * 18650 battery
-    * Or any other 3,7 V lithium battery.
+    * Or any other 3,7 V lithium battery. 5 Ah pouch from old tablet is now in use. It kept running of 3-4 weeks without sunlight.
     * What will happen in extreme (+50, -10 °C) temperatures? 🤔
+      * In freezing tempretures, capacity gets a bit lower, does not charge past 90-95 %
 ===== Links =====
   * https://meshtastic.org

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