Reliability is your Security Utilizing the latest advance design Oxygen Recombination Technology, Yuasa have applied their 80 years experience in the lead acid battery field to produce the optimum design of Sealed Lead Acid batteries.NPX valve regulated lead-acid batteries are designed for high rate discharge applications.These batteries are used primarily where high wattage is required for a short duration.With 50% more wattage available and a 30% reduction in size over conventional batteries, NPX batteries offer a superior value. Also known as -Yuasa NPX-80RFR 12V Sealed Lead Acid Battery (80W/cell)