48V 150A Electric Forklifts Intelligent Charger Operating within a temperature range of -40°C to 50°C for full power output and 50°C to 75°C for derated output, the FST-Li Series Chargers offer adaptability in varying climates. Boasting excellent insulation resistance, with an input to output rating of ≥10MΩ and an output to enclosure rating of >5MΩ, these chargers prioritize safety and reliability.