Samlex SEC-1223BBM 23 Amp Switching Power Supply with Battery Backup Circuit. See below for additional product information and specifications. The SEC-1223BBM combines the reliability of Samlex's classic SEC-1223 power supply with the reassurance of the BBM-1225 battery backup module. This combined unit automatically provides uninterrupted DC power from an external backup battery (not included) to your critical load in the event of an AC power outage. Once AC power is restored, the SEC-1223BBM will continue to seamlessly supply DC power to the load while providing a current limited charge to the backup battery (not included). Advanced Switch Mode Technology Reliable, 12V Nominal DC Uninterruptible Power Source (DC UPS) in conjunction with external 12V Lead Acid battery backup circuit High efficiency, compact and portable Protected against short circuit, overload, over voltage and over temperature Cooling by temperature controlled fan improves efficiency and prolongs life of the fan UL safety listed as Information Technology Equipment Power Supply for USA (UL Standard ANSI/UL-60950-1) and for Canada (CSA Standard CAN/CSA-C22.2 No. 60950-1) Complies with FCC Part 15(B), Class B for limits on conducted and radiated Electromagnetic Interference (EMI) Amps: 23 Amps Dimensions: 7.28 x 9.47 x 2.4 (in) Fuse: 6.3 Amps Input: 120 VAC Output: 13.8 VDC Safety: UL, FCC Warranty: 3 Year Limited Weight: 3.4 Lbs