Parameters Dimension: 31.12*56.05*141.25mm Output Mode: POWER、TC-SS、TC-TCR、VPC、SMART、BYPASS Output Power: 5W~200W adjust 1W each time Maximum Output Current: 45A Maximum Output Voltage: 12V Charging Port: Type-C Port Resistance Range of Cartridge: 0.1 ohm - 2 ohm Battery Specification: external double battery 18650 Display Screen: 2.4 inch, TFT touch color screen Operating Temperature: 10°C~60°C Storage Temperature: -30°C~70°C Relative Humidity: 45%RH~75%RH Cooling Mode: Natural cooling Features 2.4-inch Full Touch Screen IP68 Rating Z Coil With Double Service Life Top Airflow Powered By AS Chip 3.0 200W Max Output Dual 18650