CPC H02J 7/35 (2013.01) [H02J 7/0032 (2013.01); H02J 7/007182 (2020.01)] | 20 Claims |
1. A method in an electronic device comprising a power management subsystem, a controller, and a plurality of peripherals, the electronic device powered by a solar panel and a rechargeable battery both connected at respective positive terminals thereof to the controller and the plurality of peripherals, the method comprising:
determining whether the solar panel is connected at a negative terminal thereof to a ground terminal;
in response to determining that the solar panel is connected at the negative terminal thereof to the ground terminal, disconnecting the negative terminal to the ground terminal;
reading a voltage at the negative terminal of the solar panel; and
in response to determining, based on the voltage, that the solar panel is generating sufficient electrical energy to power at least some of the plurality of peripherals:
connecting the negative terminal of the solar panel to the ground terminal.
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