The PowerWalker VFI TG/TGB/TGS is a professional and versatile Online UPS solution for almost all single-phase applications (suitable for security systems for kiosks. ATMs and as well as high-level security systems. where additional software is not allowed (i.e. banking).The UPS is available in 3 different Variations:TG: ONLY with internal batteries for regular backup timesTGB: with internal batteries and connection for external battery packs for extended autonomy timesTGS: without internal batteries. but with a stronger Charger for external battery packs and big capacity batteries (non-series batteries)
