For UPS with extra battery solution, digital display the battery voltage inside, install 12pcsx12V/38AH batteries inside Model No.Spec.Packing size (L*W*H mm)G.W. (with battery)BP-192/38battery voltage 192VDC, capacity for battery 16pcs*12V/38AH, applicable model: UPS-CP6K/10K/15K530*500*1185375.00 kgs Battery pack for UPS (with battery inside)