How much does this cost to the nearest dollar?

POVWAY 8.4V RC NiMH Battery with Tr Plug for RC Car LOSI Associated HPI Kyosho Tamiya Hobby - 2 Pack
POVWAY RC Battery Specification Battery Type NiMH Battery Voltage 8.4V Capacity Plug Tr Connector Battery Dimension inch(L*W*H) Battery Weight Tips for Charging NEVER over-charge or over-discharge it NEVER charge this NiMH rc car rechargeable battery unattended NEVER Over-charge or Over-discharge the battery, stop using it when you notice a drop in performance. High Capacity - A capacity of with 7 cells ensures a long life of your RC models. High Power - POVWAY 8.4V NiMH battery provides 30 amps of discharge current, pushing your RC models to the top

Price is $30.00
Price: $29.99