USPTO granted Patent US12592425B2 to Honda Motor Co., Ltd. for a power supply device featuring a battery unit, a heater powered by the battery, and a driving unit that controls the heater based on battery temperature. The invention falls under CPC classifications H01M (batteries) and F02N (vehicle starting), with applications in automotive and power supply systems. The patent contains 13 claims and was granted March 31, 2026.

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