155 watt single output with battery charger (UPS function) CH1: 27.6 Volts 5 Amps CH2: 27.1 Volts 0.5 Amps features: universal AC input/full range protections: short circuit/overload/over voltage battery low and battery polarity protection cooling by free air convection 100 percent full load burn-in Test fixed switching frequency at PFC 67 kHz, PWM 134 kHz 2 year warranty detailed specifications: primary output voltage (VDC): 27.6 output current (a): 5 maximum output power (W): 151.55 family: ad-155 additional output voltages (VDC): 27.1 input voltage (VAC): 88 to 264 input frequency: 47 to 63 maximum input current (a): 2.5 output connector Type: screw terminal block number of outputs: 2 product Type: AC to DC power supply Mfr product family: ad-155 efficiency ( percent ): 84 minimum isolation voltage: 3000V operating temperature-min (CEL): -10 operating temperature-max (CEL): 60 Length (inch): 7.8 width (inch): 4.3 height (inch): 2 agency approvals: EN/TUV/UL color: silver Type: auto switching style: multiple output.