DEKA's Unigy 1 100 Ah top terminal sealed lead acid TELCO batteries use exclusive IPF technology optimizing power capacity, cell consistency, and long term reliability. Space saving Absorbed Glass Mat (AGM) construction allows a -48 VDC string to fit in standard 19 in telco rack systems. The quality standard for long term reliability in all wireless and wireless carrier application, Deka has the best reputation in the industry as the design life battery technology leader.