Optima Red Top Battery RTU 4.2

The Optima RTU 4.2 Red Top Starting Battery delivers supreme power and reliability for automotive, marine, and specialist applications. Engineered in the USA with over 40 years of expertise, it uses advanced SPIRALCELL® technology to provide up to 15 times more vibration resistance and a longer cycle life compared to traditional batteries.

This high-performance AGM battery is designed for a strong burst of ignition power, ensuring reliable starts every time. Fully sealed and spill-proof, it is maintenance-free, fast-charging, and mountable in virtually any position, making it ideal for vehicles with demanding electrical loads such as winches, audio systems, and other accessories. Its compact, durable design combines high cold-cranking amps with long-lasting performance for complete peace of mind.

A high-power, maintenance-free starting battery, the Optima RTU 4.2 Red Top combines durability, reliability, and superior performance to deliver optimal ignition power whenever it’s needed.

Technical Specifications