Features 1、3 Stage Charging Type: This charger adopts 3 stage intelligent control method of constant current fast charging, current limiting, floating charging. 2、Wide Voltage Input: The charger has 100‑280VAC wide voltage input, 12VDC output, can continuously power supply. 3、High Charging Efficiency: The 3 stage intelligent battery charger has high charging efficiency, practical and functional. 4、Aluminum Alloy Shell: The shell is made of premium aluminum alloy, which has high strength, very strong and durable. 5、Good Heat Dissipation: There are multiple holes designed on the charger shell, provide good heat dissipation. Specification Item Type: Generator Intelligent Battery Charger Material: Aluminum Alloy Input AC Frequency: 50/60Hz Maximum Input Current: 1A Efficiency: >85% Output Current Range: 3A, error ±5% Maximum Output Power: 40W Insulation Resistance: Input and output, input and case are both DC500V 1min, insulation resistance RL≥50MΩ Storage Temperature: -30℃ to 55℃ Operating Temperature: -40℃ to 85°C Working Humidity: 20%RH to 95%RH (non condensing) Package List 1 x Generator Intelligent Battery Charger 1 x Manual