Reviews Led Constant Current Power

uxcell 300mA 3W LED Chip Bulb Surface Mounted Devices Light Beads Warm White Super Bright High Power or Floodlight 4pcs

  • High Power LED, saving power,very low heat generating..
  • Note: The LED lamp board must be powered by constant current LED driving power supply, and the output parameters of the power supply are consistent....
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Power Supply, DPS3005 /DPS5005 Communication Version Bucks Power Supply Step-Down Voltage Converter(DPS3005-USB-BT)

  • The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one.DPS3005 /DPS5005 have same functions, only the technical parameters are different,for example, voltage, current ,etc.
  • This module has power-down stored function and can store 10 groups preset value.And it also has the function of extracting quickly two groups stored value. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt.
  • Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied.
  • LCD display on the module has the function digital voltmeter and ammeter.You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc.
  • On the setting data interface, you can adjust over-voltage value, over-current value, o....
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DC Power Supply Variable, Vlifree 30V 10A Adjustable Switching DC Bench Power Supply with 4-Digits LED Display, Data Hold, Coarse and Fine Adjustments(00.01V, 0.001A) with 110V/45.3in Alligator Leads

  • ...igh Precision & Versatility - The Vlifree DC bench power supply has a resolution of 0.01V and 0.01A, and you can easily adjust it in the range of 0-30V and 0-10A.
  • The 4-digit back-lit LED display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage.
  • Constant Voltage (C.V.) & Current (C.C.) Mode - Adjust the coarse and fine adjustment knobs to easily dial in the required voltage and current.
  • When the load current reaches the current limit value, it will automatically switch to the constant current mode, you can easily see the amperage and voltage change as circuit components are switched in and out.
  • Multiple Protections - Come with Output button, this button can prevent you from damaging the device by forgetting to disconnect the output.
  • the Vlifree power supply consists of a temperature-controlled fan, over-voltage, power overload, short-circuit protection, and a 5A input fuse, you can use it for a long time without interruption.
  • Wide Application- The lab power supply made of high-quality materials is compact, lightweight and easy to carry.
  • Vlifree DC power supply is ideal for various applications, such as school lab experiments, cell phone repairing and troubleshooting, electronic prod....
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1200W High Power DC to DC Boost Converter, PEMENOL DC 10-36V to 12-80V Boost Module Step-up Transformer, Adjustable Charging Power Supply for Electric Vehicles and Solar Power

  • ★High Power DC to DC Boost Converter: This module with a function of constant voltage and constant current. It can be used to provide charge for electronic devices. Suitable for voltage stabilization of solar panels, charging of batteries, lithium batteries, etc.
  • ★Wide Input Voltage and Output Voltage: Input voltage: 10-36V.
  • output voltage:12-80V. The output current can be adjusted(Max 20A). ultra-low input and output voltage difference. When the current > 18A, please strengthen the heat dissipation.
  • ★With Overcurrent and Short Circuit Protection : Double short-circuit protection (input 20A fuse).
  • with output anti-reverse flood protection, no need to add anti-reverse diode when charging.Note: There is no reverse connection protection, if you have this need, please connect a diode in series with the input.
  • ★Large Heat Sink: Large heat sink design (85mm*62mm*64mm), and it has been processed with black oxidation (black oxidation has better heat dissipation). Which can prolong the service life of the module and make the conversion efficiency of the module higher.
  • ★Widely Application: High-power LED constant current drive, Lithium battery charging, Ni-Cd or Ni-MH battery charging, Solar panels, Wind Turbines, and so on.
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DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Transformer Module Board with USB Port Protective Case

  • PARAMETER --- Input voltage range DC 6V-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.
  • DISPLAY --- Large clear digital LCD display voltage & current value simultaneously..
  • FEATURES --- Constant current/voltage mode.
  • Voltage calibration & current calibration.
  • 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. 3). Please carefully read the user’s manual, especially the “Cautions” before using. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF]..
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B&K Precision 1688B Switching Bench DC Power Supplies 1-18V 20A

  • Switching power supply unit provides a constant source of DC voltage and current for powering and testing electronic devices.
  • LED screen shows voltage and current reading simultaneously and is readable in low light.
  • Rotary encoder control knobs for fine and coarse adjustment of voltage and current output.
  • Internal memory stores up to three output settings for future recall.
  • Analog remote control terminal and USB interface for remote control.
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LIGHTFE 20000mW Output 365nm UV light Flashlight Utilizes LG LED Sources 3in1, Equips with Special Filter Lens, Apply for Medical, Chemical, Bioinstrumentation, Rock and Mineral, Fluorescent Glowing

  • ...cial filter optical lens enable to eliminate most of visible light, increase of impression for fluorescent glowing. 3 in 1 vacuum plating reflector cup perfectively make beams tight and strong, optimize the coverage scope..
  • SMART DESIGNS and FUNCTIONS: 1. Intelligent chip circuit digital regulated current output and constant brightness, memory function. 2. sets up 3 modes and dual rubber cap switch operation, one switch turns on/off, the other changes modes, simple and flexible operation. 3. Design a power indicator round the switches to show the remaining power and low power warning. 4. Design Kids lock to protect kids from strong and dangerous UV light. 5. Tail cap is up-standing free your hands from working..
  • USB CABLE RECHARGE and DISCHARGE: Powered by 3* 18650 Li-ion batteries (Total 6pcs battery with 3pcs spare ones) with PBC board protection from over-current, over-charge and over-discharge, constant output and high effiicient draining. Apply to recharge and discharge by USB cable, one hand, 5V 2A fast full-charged enable to monitor with 4 indicators. the other hand, the flashlight can be use as a power bank to charge for your other electronic wearable equipments whenever and wherever..
  • DURABILITY, SAFETY and WARRANTY: 1. Use of high strengt....
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Tekpower TP3005T Variable Linear DC Power Supply, 0 - 30V @ 0 - 5A with Alligator Test Leads

  • High precision DC regulated power supply with 0-30 volts and 0-5 amp outputs.
  • Two operational modes: constant voltage and constant current.
  • Cooling fan automatic activation by built-in thermo-sensor.
  • Back-lit LED Display with a 0.1V and 0.01A resolution.
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MOTOPOWER MP00205B-R 12V 1000mA Automatic Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Timer Protection

  • ⭕DC plug by default is sent by product image: Gray SB 50A Anderson,Suitable for Battery type: 8S 24V LiFepo4 Battery Pack✅.
  • AC Input: 100~120Vac, 50/60Hz, Provide 1* US standard power cable and 1* Fuse Can be Changed By Yourself ✅.
  • ⭕Three-stage Intelligent Charging Mode: Constant Current - Constant Voltage - Trickle to Ensure Battery Fully Charged ✅.
  • ⭕Fully charged Auto-stop,Over voltage,Over Current,Short Circuit Protection,and Reverse Protection✅.
  • ⭕With LED Indicator light and Cooling Fan, Aluminum Shell Beautiful and Durable, Cooling Faster ✅.
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