I'm not sure if this is in the correct section, but I want to power a little action camera (AKASO EK7000) via hard wire and not via battery. I have 2 batteries and both are extremely unreliable, even after full charges. I made an ROV, remotely operated underwater vehicle and plan to use this camera for better video. The issue I have when connecting neg and pos stepping from 12v down to the 3.7v that the battery takes, is that when I press the power button it comes on for a split second and has a yellow triangle (like when the sd card is missing) and almost immediatly powers off? What am I missing? I see that the battery as well as the camera has 3 pins, neg, delta (T), pos. I thought the delta, middle pin may be used for charging to monitor battery temp, but now im wondering if it is used in the camera and how I would go about utilizing it with only the neg and pos? Also, it still requires the power button to be pressed, is there an alternate way around this, ideally when power is applied via on off switch from battery it turns on and off camera. Only reason I ask is because the cam will be in a sealed electronics tube underwater via cable to the surface, so turning on via power button each time could get a bit hectic. Any advice or tips on this matter would be greatly appreciated. Thanks.
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