Patent ID: 11860236
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 10:
11. A method of heating one or more battery cells in a device for providing output power to electrical equipment, the method comprising:
monitoring, with a temperature sensing device, a temperature of the one or more battery cells;
receiving, by an electronic processor, a signal from the temperature sensing device, the signal indicating the temperature associated with the one or more battery cells;
determining, with the electronic processor, that the temperature associated with the one or more battery cells is less than a predetermined temperature threshold;
controlling, with the electronic processor and in response to determining that the temperature associated with the one or more battery cells is less than the predetermined temperature threshold, a heating switch to close to provide power to a heating element located adjacent to the one or more battery cells, the heating element being operable to heat the one or more battery cells; and
controlling, with the electronic processor and in response to determining that the temperature associated with the one or more battery cells is less than the predetermined temperature threshold, a charging switch to open to prevent power from being provided to the one or more battery cells.