How much does this cost to the nearest dollar?

Tripp Lite Smart UPS 48V 2U Rackmount External Battery Pack, White
Tripp Lite's rack/tower external battery pack offers extended battery runtime when used in conjunction with compatible Tripp Lite systems. Multi-use form factor supports configuration in stacking, upright tower and rackmount applications using only 2 rack spaces (2U). Includes heavy gauge cabling with high current DC connector for simple installation. Compatible Tripp Lite UPS systems are and in addition to other Tripp Lite UPS systems that specify the use of this battery pack. Cable - N/A Connector(s) - DC connectors Connector(s) - DC connectors Dimension (H x W x D) - 3.5 x 17.5 x 13.5 inches / 8.9 x 44.5 x

Price is $611.00

Price: $611.17