The high-quality battery pack BP-2450C serves to store energy for DC UPS models of the UPSI-B-24xx series. The equipped CYCLON cells are distinguished by their wide ambient operating temperature range from -30…+70 °C. The service life of CYCLON cells with up to 15 years is considerably higher as compared to conventional lead-acid batteries. To ensure maximal performance the charging voltage is controlled by a temperature sensor.