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Solar battery system for low temperature operation

  • US 10,181,814 B2
  • Filed: 09/15/2016
  • Issued: 01/15/2019
  • Est. Priority Date: 09/15/2015
  • Status: Active Grant
First Claim
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1. A solar energy system, comprising:

  • a battery pack comprising at least one battery;

    a heater located in such a way as to provide heat to the battery pack;

    a temperature sensor located in such a way as to measure the temperature of the battery pack;

    at least one solar panel;

    an output circuit for delivering electric power;

    a controller comprising a processor and memory, said controller configured to perform the following functions;

    receive temperature data from the temperature sensor;

    receive voltage data from the at least one battery and determine whether or not the at least one battery is fully charged;

    determine whether the at least one solar panel is producing power;

    if the at least one solar panel is producing power, the at least one battery is not fully charged, and the thermometer is indicating a temperature within a range that is favorable for battery charging, charging the battery pack using the power produced by the solar panel;

    if the solar panel is producing power and the thermometer is indicating a temperature that is too low for battery charging, turning on the heater and heating the battery until the thermometer indicates a temperature within a range that is favorable for battery charging.

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