A pure sine wave is essential for anything with a strong motor (like a corded drill, vacuum, or blender), along with delicate audio equipment and health-related gadgets that call for pure AC ability. Should your only defense is outdated surge protectors with fried MOVs, you won't have any defense. Obviously, https://craftsman-riding-mower04714.acidblog.net/65045638/facts-about-ups-800va-revealed