How much does this cost to the nearest dollar?

Type S 26A Smart Car Battery Charger Engine Starter Battery Maintainer Auto Desulfator with Advanced Diagnostic Tester Auto-Voltage Detection & Low-Voltage Recovery for 6V 12V Lead-Acid Batteries
26A Car Battery Charger - It is not only a battery charger, but also a battery maintainer, trickel/floating charger, and battery desulfator. Ideal to maintain a car's battery charge on a vehicle that is stored away or for a vehicle with a weak battery. Vehicle Battery Maintainer - TYPE S battery chargers and maintainers are equipped with dead battery alerts, reverse polarity protection, short-circuit protection, overcharge protection and high-temperature protections. Extend Car Battery Life - Designed for 6-volt and sealed lead-acid automotive, marine, RV

Price is $300.00
Price: $299.99