How much does this cost to the nearest dollar?

VINIDA 2Packs 12V 6.0Ah Lithium-ion Battery Replacement for Milwaukee M 12 XC for Milwaukee 12v Batteries
🌱 Brand New | Capacity 6000 mAh | Lithium ion | Pack 2 Pack | Rechargeable | high quality battery cells|replacement for Milwaukee 12V Batteries 🌱 100% Compatible with Milwaukee M 12 XC Cordless Power Tools. 🌱 Capacity upgrade to Offers long lasting performance and durability. Battery can be charged by your original charger. 🌱Made of the highest quality battery cells, no memory effect. Intelligent Protection against potential damage caused by over-charging, over-discharging, over-voltage, over-current,short-circuit. 🌱Worry-free 

Price is $51.00
Price: $50.99