A heater to improve battery efficiency in low-temperature external environments.

1) Material : SUS, Brass Foil, PI film
2) Temperature range : Used at 20-30℃ in an environment with a temperature range of -30℃
3) Voltage range : Customer specification
4) Size : Customer specification (varies depending on the type of battery and pack)
5) Usage : Used to create an ambient temperature for the battery in equipment that is sensitive to temperature,
              such as auxiliary batteries for vehicles, outdoor robots, and temperature-sensitive equipment.