APC Smart-UPS 450VA Rack Mount 1U (SC450RM1U) Compatible Replacement Battery Pack by UPSBatteryCenter
$79.99APC Smart-UPS 450VA RM 1U Compatible Replacement Battery Pack – 100% Compatible
Compatible with: SC450RM1U (Check the model # on the back of your UPS)
Arrives assembled, charged, and ready for use. Plug & Play!