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Introduction |
| The battery of almost every electronic device degrade with use. My Sena 30K is now 4 years old and has about 400 charging cycles behind it. Meanwhile, the battery lasts only 2 h if I have my phone connected to listen to music and at the same time have activated my mesh intercom. Use this guide to replace your battery and restore your Sena to full performance. | | | If your battery is swollen, [link|https://www.ifixit.com/Wiki/What_to_do_with_a_swollen_battery|take appropriate precautions|new_window=true]. | | | This guide instructs you to open up your Sena and detach most of its party to get access to the battery. | | | For optimal performance, after completing this guide, [link|https://www.ifixit.com/Wiki/Battery_Calibration|calibrate|new_window=true] your newly installed battery: Charge it to 100% and keep charging it for at least two more hours. Then use your Sena until it shuts off due to low battery. Finally, charge it uninterrupted to 100%. |
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