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B07NZNLRLT Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 4.9 Votes: 13 Find similar products KNACRO 24V to 13.8V 30A 414W Power Buck Module Car Step Down DC DC Converter Voltage Regulator Reducer. Wiring: INPUT+ to BAT+, INPUT- to BAT-, OUTPUT+ to LOAD+, OUTPUT- to LOAD- Reminder: Never reverse the polarity. Use the enough big cable to avoid the voltage drop. Never connect to solar panel or wind turbine. Never charge the battery. Efficiency: 95% Input Voltage:DC 24V (18-36V) Output Voltage: DC 13.8V Output Current: 30A Ripple: 130mVp Line Regulation: ±0.2% Load Regulation: ±0.2% Voltage Accuracy: ±1.5% Enclosures: IP67 Dimension: 747432mm Net Weight: 0.32kg Case Operating Temperature: -40~85°C Warranty: 1 year MTBF: 100,000 hours Application: 24V DC battery of vehicles as input power to 13.8V DC appliances as output load. Questions How to choose the correct current for loads? For example, if the max current of your load device is 10A, then choose 10A/0.8=12.5A at least for resistive loads according to international standard. If the load device is motor or compressor, then you may choose 10A/0.5=20A according to real testing result since the motor and compressor starting current may be 2-3 times than nominal current.	B07L4XCC8W Price: $179.99 Score: 14.286 Category: Electronics Rating: 4.5 Votes: 685 Find similar products Cllena DC/DC 12V to 24V Boost Converter 50A 1200W Step Up Voltage Regulator Module Car Power Supply Voltage Transformer (Input 10V-16V). Wiring: INPUT+ to BAT+, GND to BAT-; OUTPUT+ to LOAD+, GND to LOAD- Note: * Never connect to solar panel, PWM/MPPT charge controller, inverter or wind turbine. * Never charge the battery. Keep good air convection. * Never reverse the polarity. * Use the enough big cable to avoid the voltage drop. Application: 12V DC battery as input power to 24V DC appliances as output load. Specifications: Input Rated Voltage: 12V DC Input Voltage Range: 10V-16 DC Output voltage: 24V DC Output Current: 50 Amp Output Rated Power: 1200W Efficiency: 97% (half load); 95% (full load) Ripple: 200mVp Line Regulation: ±0.2% Load Regulation: ±0.2% Voltage Accuracy: ±1.5% Enclosures: IP68 Case Operating Temperature: -40~85°C Total Size: 22012763mm(LWH) Weight: 2200g Features: 1. 100% full power and stable current output, non-isolated module. 2. Industry grade DC 12V to DC 24V step up converter, efficiency up to 95%. 3. Die-cast aluminum shell, epoxy potting, cooling by free air convection; Waterproof level IP68 and anti-shock protection. 4. Protections: Over-current, Over-voltage, Over-temperature, Over-load and Short-circuit, auto-recovery when device is back to normal operating. 5. Certificates: CE/RoHS, 1 year warranty, lifetime up to 100,000 hours. Package included: 1 x DC 12V-24V 50A Step up Converter Questions: How to choose the correct current for loads? For example, if the max current of your load device is 10A, then choose 10A/0.8=12.5A at least for resistive loads according to international standard. If the load device is motor or compressor, then you may choose 10A/0.5=20A according to real testing result since the motor and compressor starting current may be 2-3 times than nominal current.
B0B7MBNP4G Price: $14.59 Score: 10.989 Category: Electronics Rating: 4.7 Votes: 4 Find similar products JESSINIE ZK-4KX DC-DC Buck Boost Converter Regulator CNC Adjustable CC CV 0.5-30V Voltage Converter DIY Solar Battery Charging Power Supply Module LCD Display with Shell. Anti-reverse connection protection at the input end, reverse connection will not burn; The output terminal prevents backflow, and there is no need to add a backflow prevention diode when charging the battery; The module can be set to turn on/off by default; Has a variety of software protection mechanisms, and the protection threshold is adjustable. After the module operating parameters exceed the protection threshold, the output is automatically turned off. The output ripple is small, with π-type filtering; Thickened heat sink Product parameters Input voltage: 5.0-30V Output voltage: 0.5-30V Output current: It can work stably at 3A for a long time and reach 4A under enhanced heat dissipation. Output power: 35W for natural heat dissipation and 50W for enhanced heat dissipation Voltage display resolution: 0.01V Current display resolution: 0.001A Operating frequency: 180KHZ Conversion efficiency: about 88% Soft start: Yes (very high power with load module may fail when starting) Protection mechanisms: Input anti-reverse connection; Output backflow prevention; Input undervoltage protection (4.8-30V adjustable, default 4.8V) Output overvoltage protection (0.5-31V adjustable, default 31V) Output overcurrent protection (0 -4.1A adjustable, default 4.1A) Output over-power protection (0-50W adjustable, default 50W) Over-temperature protection (80-110 ℃ adjustable, default 110 ℃) Timeout protection (0-100h adjustable, closed by default) Super capacity protection (0-60Ah adjustable, closed by default) Note: After the product triggers the protection mechanism, the output will automatically turn off, the LCD screen will display the protection code, press any key to exit the protection interface.	B07G456MS8 Price: $6.99 Score: 10.204 Category: Electronics Rating: 4.7 Votes: 8 Find similar products NOYITO DC to DC 5A 75W Buck Power Supply Module CC CV DC 5V - 36V Buck to 1.2V - 32V Output ADJ 75W Max Constant Voltage Constant Current Step-Down Power Supply Module LED Driver Board. Module features: 1. High power, high efficiency, 5A, low ripple; 2. Three-in-one: used as a common step-down module with overcurrent protection; used as a charger for various voltage lithium batteries, batteries, nickel-cadmium nickel-hydrogen batteries (batteries), for solar panels, wind power generation Machine and other occasions; used as a high-power LED constant current drive module; 3. There are two modes of constant voltage and constant current, and there are indicators to indicate which mode the module is currently in; 4. When used as a lithium battery charger, you can set the float voltage and charge current, and the indicator light indicates whether it is charging or is full; 5. With current limiting protection, the module will not burn out even if the output is short circuited. Module parameter Input voltage: DC 5V - 36V. Output voltage: DC 1.25V - 32V continuously adjustable. Output current: adjustable, 5A (recommended for use within 4.5A). Output power: 75W (recommended to use within 50W, please reduce power when using large differential pressure). Working temperature: -40~+85 °C. Working frequency: 180KHz. Conversion efficiency: 96%. Short circuit protection: Yes (limit current 8A). Over temperature protection: Yes (automatically turn off the output after over temperature). Input reverse connection protection: None, (If necessary, please input a large current diode in the input string). Installation method: 4 pieces of 3mm twisted wire. Wiring method: terminal block or soldering terminal, V-IN is input, V-OUT is output. Module size: length 68.2mm width 38.8mm height 15mm. Weight: 35g. Note: When using this module for more than 3A, 35W, please strengthen the heat! ! ! Package Included 1Pcs NOYITO DC-DC 5A 75W Buck Power Supply Module.
B092VGNHQ3 Price: $37.99 Score: 9.901 Category: Electronics Rating: 4.6 Votes: 73 Find similar products QJFCare Waterproof DC Buck Converter Voltage Regulator 36V 48V Step Down to 12V 30A 360W Adjustable Power Converter Transformer for Golf Cart, Car,Vehicle. QJFCare These dc voltage reducer converters are high reliability power transformers. They feature wide input voltage, low power consumption, high efficiency, safely and reliability in 40°C~80°C. We provide different power voltage converters for all kinds of application devices. Synchronization Rectification Technology，efficiency up to 96% max Industry grade DC 36V 48V to 12V step-down converter 5 Safty Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage; Auto-recovery when device is back to normal operating Die-cast aluminum shell, epoxy potting, cooling by free air convection 100% waterproof & anti-shock protection, lifetime up to 100,000 hours Ultra compact size, light weight Non-Isolated Module Easy to install Applications: golf cart, forklifts, bus, CMB, large trucks, motor car, solar power generating, bus displaying screen, taxi advertising screen, taxi radio without interference, car audio speaker, LCD TV, LED, intercom and monitor system, etc. Specification: Case material: die-cast aluminum Potting material: epoxy sealed Input voltage: 36V/48V DC Input range: 30-60V DC Output voltage: 12V DC Output current: 30A Output Rated Power: 360W Efficiency: 96% max Operating temperature:-40 ~ 80℃ Waterproof rating: IP68 Dimensions(WxDxH):4x3.2x1.5/ 10.2x8.1x3.9cm Fixing Hole Diameter: 5mm(0.20 inch) Net weight:18oz/510g Package included: 1 x DC Voltage converter regulator.	B06WVG9FMG Availability: Currently unavailable Score: 8.772 Category: Electronics Rating: 4.3 Votes: 185 Find similar products Aweking Waterproof DC/DC 48V Step Down to 12V 20A 240W Voltage Buck Converter Regulator Transformer Power Supply for Car Truck Vehicle CE Listed. Specifications Input voltage: DC48V (DC15V-60V)Output voltage: DC12V Output Current: 20A Output Power: 240W Conversion efficiency: 96% Module Type: DC-DC Buck Converter Protection Level: IP67 Cable Length: 15cm Features: 1 Four Smart Production: embeded Smart Chips provide 4 protection-Overcurrent Protection/Overheated Protection/Short Circuit Protection/High Voltage Protection 2 High Conversion Efficiency: Synchronization Rectification Technology-multiple intelligent protection function with high conversion efficiency and stability. The conversion efficiency may reach 95%. 3 SMT Processing: SMD Units,such as FR-4 multilayer PCB,resistance,capacitor, provide higher integration level/reliability/stability. 4 Aluminum Shell and Silicone Sealed design : Waterproof,Anti-shock,Anti-humidity and Dust-proof, more durable. 5 Small Size:Wide application for motor,dashcam,solar panel,LED strip lights,LED display,electric fan,camera,light,etc. Easy DC-DC/AC-DC Changing,CE Listed Welding wire way, the wiring instructions : Input: red (+) black (-) Output: yellow (+) black (-) Package Includes: 1x DC/DC Converter.
B07P6ZZDDY Availability: Currently unavailable Score: 8.772 Category: Electronics Rating: 4.2 Votes: 19 Find similar products Down Voltage Regulator, DROK Car Power Supply Step-Down Module DC 20-55V to DC 12V 10A 120W Waterproof Buck Converter Volt Transformer Reducer Board. DROK DC-DC 48v 36v 24v to 12v Regulator Module Parameters: Input voltage: DC 20V-55V (24V/36V/48V) Output voltage: DC 12V Output current: 10A Output power: 120W cConversion efficiency: up to 95% Operating Temperature：-40℃ ～ +80℃ Waterproof grade: IP67 Heat dissipation: natural heat dissipation Installation cable length: 13-14cm/5.1-5.5 inch Dimension: 747432mm/2.92.91.2 inch (installing ear excluded) Protection: Over-temperature protection; Over-current protection; Output short-circuit protection; Surge protection (at the moment of power up); Waterproof; Moisture-proof; Shock-proof. Package Included: 1x Down Voltage Regulator.	B0793G9VVJ Availability: Currently unavailable Score: 8.772 Category: Electronics Rating: 3.6 Votes: 2 Find similar products KNACRO DC-DC 5A 60W Automatic Boost Buck Converter Module 60W Constant Voltage/Current Car Voltage Regulator DC 5V 9V 12V 24V (5-32V) to 3V 5V 9V 12V 18V 1.25-20V. .
B00RYJ3P8E Availability: Currently unavailable Score: 8.621 Category: Electronics Rating: 3 Votes: 2 Find similar products SMAKN 4.5-30V to 0.8-30V DC Converter Constant Current Solar Battery Charger PWM LED Buck Driver IC Power Supply. Module properties: non-isolated step-down module (BUCK) Input Voltage: DC 4.5-30V Output Voltage: DC 0.8-30V Output Constant Current Range: 0.1-5A Operating temperature: -40°c to +85°c Working frequency: 300KHz PWM control frequency range: 100-300Hz Conversion efficiency: up to 95% Short circuit protection: YES ( the Limit current is the Setting constant current value) Over-temperature protection: Yes (Over-temperature Automatically shuts down the output) Input reverse polarity protection: None ( please install diode at input port ) Output anti irrigation protection: None ( please follow the picture to install the Anti-irrigation diode ) Charging indication: charging Red light, full charged Green light Installation: four 3mm screws Wiring: Connection: V-IN input, V-OUT output Dimensions: 60x26x20mm Some Application: DIY voltage Regulator, with constant current, can protect the load. The power supply for electronic equipment. For a variety of battery charging, Setting the charging voltage and charging current according to the different voltage and battery capacity, with charging indicator, convenient to observe the state of charge. solar panels power supply for battery charging, With constant current, which prevents battery overcharge. Driver high-power LED, Free series-parallel combination, With PWM control input, Available SCM to Control the LED brightness (PWM control frequency range 100-300Hz). Use as a car power supply, Power supply for electronic equipment. Package Include: 1x DC Converter.	B071CWMRYD Price: $10.58 Score: 8.333 Category: Electronics Rating: 4.3 Votes: 113 Find similar products DZS Elec 12A DC-DC Step Down Buck Converter Low Ripple with Heat Sink 4.5V-30V to 0.8V-30V Vehicular Voltage Regulator. Feature: Module Name: 12A DC Step Down Buck Converter Module Type: Non-isolated step-down module Module Size: 605122mm Input Voltage: 4.5V-30V Output Voltage: 0.8V-30V ( continuously adjustable ) Output Current: 0A-12A 100W ( Can be up to 200W if enhance heat dissipation ) Work Temperature: -40 degree to + 80 degree Switching Frequency: 300KHz Transfer Efficiency: 95% (MAX) Short-circuit Protection: Yes (Limited current 14A) Over-temperature Protection: Yes (Automatically shut off the output once over temperature) Reverse Voltage Protection: NO ( If need, please add large current tube.) Connection Mode: Terminals or solder terminals. V-IN for input, V-OUT for output The module has enhanced aluminum radiator and TVS tube, which make sure the work temperature be lower and safer. 50V/MLCC chip capacitor, combined with high frequency low resistance electrolytic condenser, make the output ripple lower. Suitable for DIY of storage battery, power transformers, adjustable voltage regulator, 24V power supply, LED lights power supplies, industrial equipment step-down etc. and other work requirements. 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V and so on. Transfer Efficiency test data: Input 12V, Output 5V/10A, Efficiency 81% Input 12V, Output 5V/6A, Efficiency 86% Input 24V, Output 12V/8A, Efficiency 91% Input 24V, Output 19V/6A, Efficiency 94% Package Include: 1pcs 12A DC Step Down Buck Converter.