Siemens sitop ups1600 ups and sitop ups1100 battery modules siemens 6ep4131 0gb00 0ay0 this 12ah sitop battery module is a din rail mounting unit that when used with a ups forms a module that gives uninterruptible supplies in cases of supply voltage failure the integrated electronics enable intelligent battery management with aotomatic detection of battery modules and selection of the optimum temperature controlled charging characteristic curve siemens 6ep4131 0gb00 0ay0 din rail mounte