How much does this cost to the nearest dollar?

DEWALT 60V MAX* FLEXVOLT Lithium Battery with Charger, 9-Ah
The DEWALT 20/60V max* flexvolt Lithium-Ion 9.0Ah battery pack with fan-cooled charger provides 180 Watt hours of energy in each battery pack. Get 360 Watt hours when using (2) flexvolt 9.0 Ah batteries in 120V max* tools. This battery offers 6x runtime when used in a 20V max* tool. There is a LED charge status display on battery for the user to easily see the remaining charge. This battery operates in outside temperatures down to 0°F. Take on tough jobs with this battery because patented technology and large format cells mean it runs cooler*** than the

Price is $309.00

Price: $309