# EC Power — Patents explained on PatentBrief

EC Power has 2 landmark patents explained in plain English on PatentBrief.

- [How Batteries Charge Fast in the Cold Without Damage](https://patentbrief.org/patent/us/10186887/systems-and-methods-for-fast-charging-batteries-at-low-temperatures) — granted 2019
  This patent describes a smart battery system that uses an internal heater to warm itself up for quick, safe charging, even when it's freezing outside.
- [How a Battery Heats Itself in the Cold for Better Performance](https://patentbrief.org/patent/us/9882197/all-climate-battery-and-manufacturing-and-using-the-same) — granted 2018
  This patent describes a rechargeable battery that can warm itself up in freezing temperatures by temporarily increasing its internal electrical resistance, then switching back to normal operation for full power.

**Full profile:** https://patentbrief.org/company/ec-power

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._