DC DC CONVERTER: DC 20V-90V to 12V 20A step down converter with stable performance and conversion efficiency above 90%. Durable and better heat protection VOLTAGE RANGE: Input voltage range: 20V-90V; Output voltage: 12V; Output current: 20A; Maximum output power: 240W; Small Size and easy to place in any applications; The converter is shockproof, dustproof, stable and reliable quality INTELLIGENT PROTECTION: Supports output short circuit protection, overcurrent protection and overtemperature protection; Operating temperature -20℃ to 65℃, when the working environment temperature ≥40℃, in order to extend the service life of the power supply, please use the rated output current ≤40% INSTALLATION: Easy to install, peel the wire about 10 mm, pull of the key 90°MAX, insert the wire, press the key tightly; The converter has a red, yellow and black wire, the red and yellow are connected to the positive electrode, and the black is connected to the negative electrode WIDE APPLICATION: A wide range of use, the excellent voltage reducer can be used for LED light strips, monitoring systems, golf carts, solar panels, speaker car headlights and etc ABOUT DC 20V-90V to 12V 20A 240W STEP DOWN CONVERTERInput range: 20V to 90V Transfer efficiency: 95% Output voltage: 12V Output: 20A MAX Maximum output: 240W MAX Working temperature: -20 to 65° Storage temperature: -40 to 85° Working humidity: 10% to 90% RH Short circuit protection: YES Overtemperature protection: YES Overcurrent protection: YES Anti connection protection: YES Heat dissipation method: Natural heat dissipation ATTENTION 1.The products are stored in a dry and cool place with a temperature between 40℃ and 80℃, avoiding contact with corrosive substances and staying away from flames and heat sources 2.Do not use the device near a heat source, such as a fire or heater 3.Do not connect the input line to 220V electricity 4.Do not put the product in a fire or heat it 5.Do not short the positive or negative poles of the product with wires or other metal objects 6.It is forbidden for non professional personnel to disassemble and repair the product by themselves