How much does this cost to the nearest dollar?

Kastar 2X Battery + Charger for Sony NP-F10 FS31 Cybershot DSC-P1 P30 P50
Bullet Point 1 Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, Worldwide Input Voltage, Car Charging Adapter, and European Plug. Bullet Point 2 Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Bullet Point 3 Charge indication Green lights for standby, Red is for charging and with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Bullet Point 4 All Items 100% decoded and 100% Compatible with the Original Camera, Battery, and Power Accessories. Bullet Point 5 All Items Include 30-day Money Back and 

Price is $19.00

Price: $18.79