This classification covers power supply devices that provide electricity to manufacturing equipment and industrial machinery, as well as industrial batteries used for backup and emergency power. It includes power equipment such as switching power supplies, linear power supplies, UPS (Uninterruptible Power Supply), DC-DC converters, inverters, and chargers, along with industrial batteries including lead-acid batteries, lithium-ion batteries, and nickel-metal hydride batteries. These products form the core of power infrastructure in manufacturing, ensuring stable operation of production lines, power supply to control panels, and emergency backup power. Excludes small household chargers and dry batteries, focusing on high-reliability, high-capacity products specialized for industrial applications.