This APC SMX48RMBP2U Smart-UPS X-Series External Battery Pack Chassis Only - No batteries has been fully tested and is in good working condition.
Cosmetically this unit has some minor marks and scratches but is in overall good condition.
Does not include batteries.
Easily connect this external battery pack to an existing APC Smart-UPS X to instantly increase the amount of battery runtime to connected devices during a power outage.