How much does this cost to the nearest dollar?

BATTOOL V7 21.6V Replacement Battery Compatible with Dyson V7 Battery SV11 Motorhead Pro V7 Trigger V7 Animal Car+Boat V7 Absolute V7 Fluffy Handheld Vacuum Cleaner
🔋 Convenient & Upgrade Design High capacity 21.6V lithium V7 replacement battery compatible with Dyson V7 series vacuum cleaner. 🔋 Fit for Dyson SV11 battery Professional v7 battery replacement compatible with dyson V7 machine. For V7 Motorhead, V7 Fluffy, V7 Animal Pro+, V7 Trigger, V7 Trigger, V7 HEPA, V7 Car+boat, V7 Absolute. 🔋 MORE POWER, BATTERY CLEAN High capacity for dyson V7 battery replacement made of high quality Lithium battery cells, clean your

Price is $40.00

Price: $39.99