ITEM NAME:DC-DC Step-up Converter 250W 10A Constant Current Mobile Power Supply LED D C8R2 DC-DC Step-up Converter 250W 10A Constant Current Mobile Power Supply LED D C8R2 Module Properties: non-isolated step-up module (BOOST) Easy to drive 65W 90W dual-core notebook. Conversion efficiency: 96%; working frequency: 150KHZ Output Ripple: 2% (MAX) 20M-bandwidth Operating Temperature: Industrial (-40 to +85 Celsius) (ambient temperature exceeds 40 Celsius, lower power use, or to enhance heat dissipation) Color: As shown Input voltage :8.5-48V Output voltage: 12-50V (adjustable) Output Current: 10A (MAX) (Please enhance heat dissipation if more than 6A) Output constant Current: 0.2 - 8A (please don't short the output to adjust the current) Dynamic response speed: 5% 200uS Over circuit protection: yes Input Reverse Polarity Protection: yes Size: 70*42mm Note: Please pay attention to the Voltage/Current/Power of your own devices. To ensure product safety,check whether this item is compliant with your own devices before you buy it! Package includes: 1 x 250W DC-DC Boost Converter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm..1 x 250W DC-DC Boost Converter. Module Properties: non-isolated step-up module (BOOST). Over circuit protection: yes. Output Ripple: 2% (MAX) 20M-bandwidth. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.