How much does this cost to the nearest dollar?

PowerTrust 3Pack Replacement Battery for Gopro HD Hero 3+ Hero3 Action Camera + LED USB Battery Charger with USB Cable
PowerTrust Replacement Camera Battery and Charger Product Specification Model Number Capacity Battery Voltage 3.7V Package Includes 3 x Batteries 1 x 1x LED 3-Slot USB Charger 1 x Micro USB Cable Compatible with the Following Models Compatible Battery GoPro GoPro GoPro Compatible with Camera models GoPro HD HERO3 White Edition GoPro HD HERO3 Silver Edition GoPro HD HERO3 Black Edition GoPro HD HERO3+ Silver Edition GoPro HD HERO3+ Black Edition 30-Day Money-Back, Two Years Warranty. Battery advantage Capacity 3.7V. Replacement Battery for GoPro HERO3. High capacity / rechargeable

Price is $22.00

Price: $21.69