When it comes to industrial - grade UPS power manufacturers, HIGHIDEA stands out as a prominent player. HIGHIDEA offers a diverse range of UPS products suitable for industrial applications. For instance, their ET3KR is a 3KVA rack - mounted UPS with built - in lithium - iron batteries. This model is well - suited for powering multiple computers, large - scale servers, and equipment in data centers. It combines the advantages of lithium - ion batteries, such as high energy density and long lifespan, with reliable UPS functionality, ensuring stable power supply for critical industrial loads.