DC 9A 300W 150W Boost Converter Step Down Buck Converter Power module DC 0-100V 10A Digital Voltmeter Ammeter Dual Display 150W Module: Input voltage : DC 10 - 32 V Output Voltage : DC 12-35 V(Adjustable) Output Current : 6A(MAX) Input current : 10A (MAX) (more than 10A please strengthen heatsink) Output Power : natural cooling 100W (MAX), strengthening cooling 150W (MAX) real power. Conversion efficiency : 94% (when Input 19V 2.5A Output 16V, Reference) Output ripple : 2% (MAX) Working Temperature : industrial (- 40 c to +85 c) ( environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling). Full-Load temperature : 45 degrees No-load current : 25mA typical Voltage regulation : 0.5% Load regulation : 0.5% Dynamic response speed : 200uS 5% Short circuit protection: No (Please installs the fuse or protection circuit at input parts). Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) Size : 65*23*56.3 mm 300W Module: Material: PCB board and electronic component Color: as the pic shows Input voltage: 5-40V Output voltage: 1.2-35V (continuously adjustable) Output Current: 9A (power tube temperature exceeds 65C please add cooling fan) Constant current range:0.2-9A ( adjustable ) Output Power: Maximum power is about 300W (power tube temperature exceeds 65C please add cooling fan) Size: Approx. 2.55*1.88*0.94inch / 6.5*4.8*2.4cm(Length*width*thickness) DC 0-100V 10A ( 0.28inch Red Blue LED ): Features: 100% Brand New. Size: 48mm x 29mm x 21mm. Display color: Red & Blue LED (dual display). Display: 0.28" LED digital. Operating voltage: DC 4.5 ~ 30V. Measure voltage: DC 0 ~ 100V. Minimum resolution (V): 0.1V. Refresh rate: 500ms / times. Measure accuracy: 1% ( 1 digit). Minimum resolution (A): 0.01A. Operating Current: