APC Smart-UPS X-Series External Battery, Schneider Electric unit, meant to enhance runtime for compatible UPS systems. Works with SMX series, connects as additional power source module in backup setups.
120V rated external battery pack. Designed for medium-load scenarios; runs on lead-acid tech inside a black rectangular casing. Dimensions roughly 17” x 7.4” x 22”. Heavy-weight—over 100 lbs territory. Comes with brackets and connectivity cabling.
Electrical output scales with connected UPS configuration, hot-swappable design (but double-check live system warnings first).
Raw notes: model SMX120BP by APC/Schneider Electric., nominal voltage: 120V., weight approx ~113 lb., internal battery type: sealed lead acid rechargeable., physical size spec L/W/H: ~17"x7"x22".