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--- en:manuals:service-notes-for-eargear-2 [2025/05/26 15:26] – created darkgrue
+++ en:manuals:service-notes-for-eargear-2 [2025/07/13 20:15] (current) – [Case Screws] darkgrue
@@ Line 16: / Line 16: @@
 {{:en:manuals:right_ear.jpg?400|}}
+===== Installing Batteries =====
+The EarGear Battery is a single 3.7V 103040 LiPo battery with a "JST PH 2-pin" connector.
+The positive lead for the batteries is oriented to the left for J1.
+The plug can be difficult to remove from the board. It’s suggested to pull out and slightly down towards the board (somewhat of a slight rolling motion) helps the plug release better, instead of pulling straight back.
+<WRAP round important 90%>
+Be aware that, although the JST-PH 2.0 connectors used on the batteries and across industry are polarized, the polarity that any one battery is set up for is EXTREMELY RANDOM. Positive and negative should be correctly indicated by red and black wires, but the position of the wires in the connector may not be correct for the MiTail (or whatever device you plan on using the battery in), because there's actually no real standard. Plugging in the battery with the polarity reversed can, depending on a lot of factors, be quite bad for the device and/or battery.
+</WRAP>
 ===== Installing Servos =====