International Power Adapters By DROK

• Volt Adjustment Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. Note The maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A.
• Hareware This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
• Easy Operation This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
• Protection Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
• Wide Application This power supply has variable application. It can be used as a 5V 12V 24V 30V 36V 48V power supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.

• PARAMETER Voltage reducer; Input voltage range 8v~35v; Output voltage 3~24v adjustable; Output current 5A max.
• APPLICATION Radio, car audio, LED display, motor, cell phone, electric fan, security camera, electronic project DIY etc.
• SAFETY PROTECTION Over-current protection; over-temp protection.
• DURABILITY Waterproof, moisture-proof, dust-proof, shock-proof.
• FEATURES Aluminum shell; anaerobic copper core wire; U-type fixing card slot; organic silicone packaging technology.

• DROK buck converter input voltage range is DC 8V-22V; adjustable output voltage range is DC 1V-15V, please ensure input voltage is at least 3V higher than output voltage; max output current is 3A, if for long-term work, 2A doesn't need to enhance heat dissipation.
• Potentiometer: the volt transformer is with potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
• Safe Protection: our 5v dc converter is with reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence it is safe to use.
• Application: the stepdown regulator module is perfect for electronic hobby project, wide application, you can use it on radio, car audio, LED display, motor, Cell phone, etc.
• Features: the dc-dc converter is fully sealed, outer enclosure acts as a heat sink, specially Made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.

• Wide input voltage range: DC 9-24V.
• Adopt glue craft and aluminum shell, waterproof, moistureproof, dust-proof.
• With over-current protection, soft-star protection and chip over-temperature protection.
• Wiring: Red wire:Input+; Black wire:Input-; Yellow wire:Output+; Black wire:Output-.
• NOTE: no reverse connection and short-circuit protection, please wiring according to the instruction.

• PARAMETER - buck boost converter, input voltage range 5.5-30V; output voltage range 0.5-30V; working current 4A; power 35W.
• APPLICATION - as a normal boost buck converter module with over-current protection; as a battery charger; as a high-power LED constant current driver module, etc.
• PROTECTION - soft start; input reverse connection protection; output anti-backflow protection; short-circuit protection; over-current protection; over-power protection; over-temperature protection.
• DISPLAY - clear LCD screen displays input voltage, output voltage, temperature, output current & output power (switched by button).
• OTHER FEATURES - with buttons to switch displayed parameter & set output ON/OFF; with CC & CV potentiometer; with protective case (needs to be manually assembled); with LC filter.

• PARAMETER - input voltage DC 20-90V (24V 36V 48V 60V 72V); output voltage DC12V; output current 6A
• APPLICATION - DC 20-90V step down converter. Can be used for car audio, LED display; motor, speaker; auto map navigator; hard disk player; media; electric fan; toy cars; air conditioning; solar energy, etc.
• PROTECTION - over-current protection; over-temp protection; input reverse connection protection; short-circuit protection; IP68 waterproof; dust-proof; moisture-proof; shock-proof.
• CONVERSION EFFICIENCY - over 96% max.
• FEATURE - high conversion efficiency, low heat generation; aluminum case, good heat dissipation, high safety.

• DROK buck converter input voltage range is DC 6.5V-36V; output voltage range is DC 1.2V-32V, factory default output 5V; can work stably at 3.5A for a long time, and can reach 4.5A under the heat dissipation (adjustable current limit is about 4.2-4.5A).
• Button Control: the voltage regulator board is designed with button, you can easily set the output voltage without using flat screwdriver; the button control output voltage ON / OFF status, and you can set the default output state is ON or OFF of the next time power-on.
• LCD Display: the step down module is designed with LCD, can display input and output voltage, output current and output power; voltage display resolution is 0.05V, current display resolution is 0.005A. Please note that the volt display accuracy is ?0.1V, the current display accuracy is ?0.05A.
• Protection: our power supply is with reverse connection protection at the input terminal, please kindly note that NO Anti-backflow protection at the output terminal; with crystal protection case, protect the module from damaging.
• Note: To avoid damage caused by collision during shipping, the case is not installed when we package, it is packed as parts. Please install it after receiving.

• DROK DCDC converter input voltage range is DC 4.5-40v, output voltage range is DC 1.25-37v, the voltage is continuously adjustable. It is a non-isolated buck converter, can dial down voltage from 36v 30v 24v to 12v 5v 3.7v 3.5v 3.3v 2v.
• Analog Control: Our DC buck converter is designed with a adjustable potentiometer, the output voltage can be easily and accurately adjusted with a mini screwdriver. Clockwise to step up voltage and counterclockwise to step down voltage.
• Protection: This power supply supply step down regulator is with over-temperature and short-circuit protection, which protect your device from damaging and enhance its safety when using.
• Low Power-consumption: Although the voltage range is wide, this buck voltage module has a low power consumption of only about 3A when in static state.
• Note: Please make sure the input voltage is at least 1.5V greater than output voltage to ensure stable output; please note that there is no reversed connection protection, so check the polarity of input voltage before power on to avoid burning due to reversed connection; please add heatsink when the output power is larger than 15W.

• PARAMETER - input voltage range DC 6V-32V; output voltage DC 1.5V-32V; max output current 5A, recommend use of within 4.5A; max output power 75W, recommend use of within 50W.
• GENERAL USE - as ordinary step-down module with over-current protection; as constant current LED driver module; DIY a solar power controller, etc.
• DISPLAY - large clear digital LCD display voltage & current value simultaneously.
• FEATURE - constant current/voltage mode; voltage calibration & current calibration; USB interface; protective case; short-circuit protection; over-temperature protection; input reverse connection protection.
• NOTE - 1). output voltage is set as around 20V by default, if your input is lower than that, please turn potentiometer anticlockwise for 10 laps or more until voltage changes. 2). The case is packaged unassembled to avoid damage during transit. It needs to be manually installed.