Product name: DC DC converter 36V 48V to 12V 20A Module attributes: non-isolated step-down module Rectification: synchronous rectification Input (line length: 13-14cm) Input voltage: DC36V/48V Input voltage range: DC20-60V Output (line length: 13-14cm) Output voltage: DC12V Output current: 20A/240W Conversion efficiency: 90% Voltage regulation: 1% Load regulation: 2% Ripple (full load test): Less than 150mV No-load current: Less than 100mA Operating temperature: -40-+85 Waterproof: IP68 Protection: overcurrent, overvoltage, overheating, output short circuit Product size: 74x74x32mm Product weight: 260g Cooling method: natural air cooling Colour:silver Material:Aluminum Alloy Package Contents: 1 * DC 36V/48V step-down converter Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.