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en:manuals:service-notes-for-mitail [2025/12/04 03:11] – [Installing Cable Pullies / Servo Horns] darkgrueen:manuals:service-notes-for-mitail [2026/03/18 19:15] (current) darkgrue
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 {{ :en:manuals:battery.jpg?nolink&600 |}} {{ :en:manuals:battery.jpg?nolink&600 |}}
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 +<WRAP round tip 90%>
 +FAA rules on installed batteries are that devices containing lithium batteries (laptops, phones, and also tails) can be checked, but carry-on is preferred to prevent damage/fire. There is a battery capacity limit generally allowing capacities under 100 Wh. The tails, with two 11.1 Wh batteries, have a total capacity of 22.2 Wh, well under the device capacity limits. Travel rules and restrictions should be reviewed in advance, but the Tail Co devices fall well under realistic limits being an "installed, non-removable battery" and a very modest capacity that should be acceptable anywhere a cellphone or laptop would.
 +</WRAP>
  
 The positive lead for the batteries is oriented to the left for J1 and J2 (closest to the corner of the PCB). The positive lead for the batteries is oriented to the left for J1 and J2 (closest to the corner of the PCB).
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   * Green LED: ON = USB power is charging batteries. Visible only on the PCB.     * Green LED: ON = USB power is charging batteries. Visible only on the PCB.  
  
-Please make sure the PCB has the latest firmware. Firmware may be updated from The Tail Company app, support Python utility, or directly (e.g. using PlatformIO).+Please make sure the PCB has the latest firmware. Firmware may be updated from The Tail Company app, support Python utility, or directly (e.g. using esptool).
  
  
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-== Copyright 2023-2025 © The Mechanical Tail Company Limited contact@thetailcompany.com. All Rights Reserved. ==+== Copyright 2023-2026 © The Mechanical Tail Company Limited contact@thetailcompany.com. All Rights Reserved. ==
  
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