NOCO BTK1 Battery Corrosion Terminal Kit Stops battery corrosion; guaranteed for the life of your battery Improves battery performance; eliminates corrosion for increased starting current Long-lasting formula; does not dry or evaporate Environmentally safe; resistant to reversion, atmospheric contamination, mechanical shock or vibration Made in the USA; includes battery corrosion preventative, battery cleaner, and battery anti-corrosion protectors