Feature: 1. DUAL INPUT DESIGN: The battery charger supports both solar panel and alternator inputs, allowing users to flexibly choose their charging source based on need. Seamlessly switch between sources to ensure convenient and dependable battery charging. 2. EFFICIENT MPPT CHARGING: Featuring MPPT technology, this charger intelligently optimizes solar panel output, improving charging efficiency, maximizing solar utilization, and extending battery lifespan. 3. SAFETY GUARD: This charger is equipped with multiple safety guard features, including overload, short circuit, and overheat guard, ensuring a secure charging process to protect the battery and devices from damage. 4. METALLIC CONSTRUCTION: Crafted with metal, this charger delivers durability and long lasting performance, suitable for various applications such as solar panel, alternator, RV, car, and marine. 5. ENHANCED PERFORMANCE: With a DC12V working voltage and 40A rated current, the charger provides dependable and efficient charging for your battery, ensuring optimal performance in different environments. Specification: Item Type: Dual Input Battery Charger Material: Metal Working Voltage: DC12V Rated Current: 40A Fitment: for Solar Panel, Alternator, RV, Car, Marine. Package List: 1 x Dual Input Battery Charger Kit(10PCS)