Featuring the latest AGM technology and great new Harley-Davidson graphics These batteries are durable , long-lasting and trouble-free. Stainless steel terminal bolts won't rust or corrode. Plates are lock-bonded together , reducing vibration damage for longer life. Distinguished H-D Bar & Shield is moulded into case for quick , confident recognition. Heat sealed cover prevents electrolyte leakage and improves reliability. Exclusive moulded terminal design increases strength and durability. Re-engineered vent system is specially designed to minimise leakage.