Siemens 6EP4135-0GE00-0AY0 SITOP BAT1600 24 V DC 12 Ah Pb battery module. SITOP BAT1600 24 V DC 12 Ah Pb battery module with maintenance- fee closed lead-acid battery for SITOP UPS1600. It belongs to SITOP BAT1600 battery modules. Recorded manufacturer technical characteristics include Depth: 125 mm; Width: 238 mm; Height: 156 mm; Net weight: 9.8 kg; Output voltage: 24 V DC; Number of cells: 2; Battery capacity: 12 A·h; Protection class: Class III.