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Hello, I have this Phantom 4 battery that the software and NLBA say is not locked, but it doesn't turn on or give any signal, and its voltage is fine (I also tried reset + GND on the board). In no case do the battery lights come on.
Topic starter
Posted : 27/11/2025 6:09 am
Battery is controlled by Texas Instruments MSP430 chip. It is responsable for communication with drone, push-button control, LED level indication, authentication, DTS feature and so on.
If battery does not respond to push-button and neither LED is lit it means MCU chip or its circuitry is faulty.
Posted : 28/11/2025 10:47 am
@tracker135n9 Hi, perfect, I figured that was the problem.
Thank you very much.
Topic starter
Posted : 28/11/2025 8:03 pm

