How much does this cost to the nearest dollar?

HP HP BATTERY PACK FOR P400 CTLR
Hp P400 Battery Pack Module Hp-imsourcing New F/s P400 Battery Pack Module National Stock Brand HP, model number Hardware Platform CONSUMER_ELECTRONICS, Weight 0.19 Pounds, Dimensions 4.5 x 1.5 x 1.5 inches, Dimensions LxWxH 4.5 x 1.5 x 1.5 inches, Color BLACK, Voltage 4.8 Volts, Batteries Lithium Metal batteries required., Department computer components, Manufacturer HP-IMSourcing, Is Discontinued No, Available January 1, 2010, Rank Electronics Output Wattage 500 Watts, Dimensions LxWxH 4.5 x 1.5 x

Price is $56.00
Price: $55.54