APC SMX120RMBP2U - Smart-UPS X External Battery Pack, 2U, 120Vdc Sunon whereas AXIS C1510 is the

whereas AXIS C1510 is the larger more powerful model

Part Numbers: DPS-600SB / E35862-006

Pictured with bumper

Series: RE (RAID Edition)

Its SATA interface supports seamless integration with compatible Dell server systems

APC SMX120RMBP2U - Smart-UPS X External Battery Pack, 2U, 120Vdc Sunon whereas AXIS C1510 is the[shortdesc] 2U Rack Tower, 120Vdc Lead Acid, Smart UPS X 2kVA Compatible, Up to 10 Packs for Extended Runtime [ shortdesc] [properties] Model SMX120RMBP2U Product Type Smart UPS X External Battery Pack Range of Product Smart UPS Battery Systems Form Factor RU Rack Tower, 2U Compatibility Smart UPS X 2 kVA models Battery Type Lead Acid battery Battery Voltage 120 Vdc Replacement Battery Cartridge APCRBC118 (Qty required: 2 Device Mounting Enclosed