Replacement Lithium Battery, 12V, 80Ah

This replacement battery is engineered for the 2020 BMW G20 330i, a vehicle equipped with a sophisticated dual-battery power management system. This particular unit serves as the primary trunk-mounted AGM (Absorbent Glass Mat) starter battery, compatible with BMW model years 2017-2024 featuring the 4-cylinder 2.0L gasoline engine. The battery is designed to support advanced start-stop technology and the vehicle's elevated electrical demands common in modern luxury sedans. The AGM construction provides maintenance-free operation with superior cycle life and enhanced reliability compared to conventional flooded batteries. This technology is specifically optimized for vehicles with frequent engine cycling and high electrical loads from comfort and safety systems. The battery delivers robust cold cranking amperage suitable for reliable cold-weather starting performance, making it dependable across diverse climates and driving conditions. Specifications align with OEM compatibility for genuine BMW part numbers 61217555719, 61216805461, 61216924023, and 61216806755, ensuring proper fit and electrical integration with the vehicle's charging system and battery management electronics. The 12-volt configuration is standard across the G20 platform, with capacity rated at approximately 80Ah to match factory specifications. Industrial buyers and fleet operators appreciate this battery's durability and performance consistency. The AGM technology reduces maintenance requirements while delivering consistent power output over extended service life. Compatible with both OEM and verified aftermarket specifications, this replacement ensures vehicles maintain factory-standard electrical performance and reliability. Installation in the trunk location requires standard automotive battery mounting practices and proper terminal connection procedures.