Milnex 636 12V 45Ah 420 CCA Maintenance-Free Automotive Battery

The Milnex 636 is a 12V, 45Ah maintenance-free lead-calcium battery, engineered for reliable starting power in smaller petrol-engine vehicles. It is specifically designed to meet the space and terminal requirements of compact vehicles while providing a significant boost in cranking power over smaller models. Key Specifications Voltage: 12V Capacity: 45Ah Cold Cranking Amps (CCA): 420 SAE Technology: Calcium-Calcium (Ca-Ca), Sealed Maintenance-Free (SMF) Dimensions (approx.): 237mm (L) x 128mm (W) x 221mm (H) Features & Benefits Maintenance-Free: The advanced sealed Ca-Ca technology prevents water loss, completely eliminating the need for regular fluid top-ups throughout its service life. Weather Resilience: Engineered to provide dependable engine starts in both high-heat and cold conditions, with a rated operating range of -41°C to 61°C. Safety-First Design: Features a spill-resistant cover and a robust polypropylene casing to protect internal components from engine bay vibration and temperature fluctuations. Optimized Performance: Provides a steady 420 CCA to ensure consistent ignition for light passenger vehicles and city runabouts.