Universal Compatibility (Applicable to most lead-acid batteries): Ideal for all 12V and 24V lead-acid batteries, including AGM, GEL, SLA, Flooded (WET), and various automotive, deep-cycle, marine, or maintenance-free batteries. Suitable for charging and repairing cars, trucks, motorcycles, lawnmowers, boats, ATVs, SUVs, etc. LITHIUM BATTERIES ARE NOT SUPPORTED. Safe and Reliable Smart Chip: Equipped with a built-in intelligent microcomputer chip, it continuously monitors and assesses the data status at each charging stage, automatically stopping charging once the battery is fully charged. It features multiple safety measures, including reverse connection protection, short circuit protection, and overcharge protection. Intelligent Charging and Desulfator: The intelligent battery charger can automatically detect the outside temperature, switch between SUMMER or WINTER mode, and adjust the charging voltage accordingly. Offers CAR/TRUCK mode (12V 8A / 24 6A) for quickly charging large batteries, MOTORCYCLE mode (max 1.5A) for small batteries, AGM mode for AGM and calcium batteries. Multi-Layered Safety Protection: Comes with reverse polarity protection, spark-proof design, overvoltage protection, overcurrent protection, and short circuit protection. Features a built-in fan to prevent overheating during the charging process, ensuring a safe and secure operation. Note: This charger is not designed for jump-starting a car; it is exclusively for battery charging and requires a power connection. LCD Display: This battery charger features an LCD display, with a scrolling marquee dynamically showing the charging status. When fully charged, it displays a full bar, providing users with a visual indication of the current charging status.