12V 24V Car Battery Charger Heavy Duty, 0-15A Automatic Battery Maintainer, Smart Trickle Charger with Repair & Winter Mode, Auto Shut-Off for AGM, Deep Cycle, 汽车用品, RV, Marine

Heavy-Duty & Universal Compatibility: Built with a rugged copper coil and durable metal-ABS casing, this 14 lb battery charger delivers reliable power for all lead-acid batteries—including AGM, GEL, EFB, deep-cycle, and more. Designed for long-lasting performance in demanding conditions.Smart 12V/24V Auto Detection & Dual Modes: Equipped with automatic voltage detection, it intelligently selects between fast charge and trickle charge modes. Simply connect and let the programmed charging system do the rest—ideal for hassle-free battery maintenance.Dead Battery Revival & Desulfation Repair Mode: Features a specialized repair function to safely revive deeply drained batteries (down to 3V) in cars, trucks, boats, RVs, and power equipment. Effectively restores sulfated and stratified batteries, extending their service life.Winter Mode & Clear LCD Display: Includes a cold-weather charging mode for stronger starts in low temperatures. The backlit LCD screen clearly shows real-time charging status, voltage, and percentage, giving you full control and precision.Full Protection & 1-Year Warranty: Integrated safety guards against reverse polarity, short circuits, overcharging, and overheating. Backed by a 1-year warranty, this charger ensures secure operation for both everyday charging and specialized uses like electrolysis projects.