ReviewsConstant Voltage

MP3020D 0-30V 0-20A Digital LED Regulated Variable Lab DC Bench Power Supply Adjustable Forced Air Cooling with Power Line Pack Accessories Manual Fit Inverter Industry

  • Adjustable DC Power Supply:✅0-30 volts and 0-10 ampere output.
  • Decimal point automatic carry & LED 4 digits display of voltage function displays. Display accuracy: 0.01V and 0.001A. Clearer visible readout for the voltage and current value, extremely durable, and easily visible even in low-light usage..
  • Constant Voltage and Current:✅Automatic conversion between C.C and C.V modes, which can stably output voltage or current.
  • The independent adjustment knobs allow for a bit by bit adjustment of voltage and current data. The conversion between constant voltage and constant current is indicated by the LED display on the front panel..
  • Compact & 5V/2A USB Interface:✅This power supply features the latest flame-retardant material housing for lightweight and high performance while maximizing impact resistance for safety. 5V / 2A USB port provides power to charge your phone or the device you want to repair without worrying about running out of power..
  • Multiple Protection Functions:✅Intelligent temperature adjustment function with an integrated thermal sensor can effectively reduce the temperature during operation, effectively reduce noise. The power supply is durable and compact. Multiple Protections include boundary current protection, thermal protection,....
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UNI-T DC Power Supply UTP1306, TRMS Digital Multimeter UT139C

  • Product 1: True RMS Digital Multimeter UT139C. 6,000 counts. Measures AC DC voltage (600V max), AC DC current (10A max), resistance, capacitance, frequency, temperature, diode test, bandwidth, etc. Ideal for electricians. Diagnose automotive, industrial and household electrical issue in a breeze..
  • Product 1: Auto/manual ranges switchable. Relative mode. MAX/MIN. Data hold. LCD backlight. Auto power off. Troubleshoot home appliances, light fixtures, sockets and electrical panels. Besides, great for checking automotive battery voltage, alternator output, etc..
  • Product 1: Quiet & Easy to use. Single output. 4 digits EBTN LCD display. 3 groups of one-key recall of stored data. Independent output switch. A low-noise power supply that is easily viewable from any angle..
  • Product 1: Accurate. Output regulate resolution: 10mV (constant voltage) / 1mA (constant current). Adjustable voltage (0-32V). Output current 0-6.0A. Input voltage: 110V AC/220V AC, 50Hz~60Hz..
  • UNI-T WARRANTY – A trouble-free experience with 100% 18-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.
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Tenavolts Rechargeable Batteries (AA Lithium-2 Pack w/USB Charger)

  • High Power Capacity:Includes TENAVOLTS AA High-Capacity Rechargeable Batteries (4 Batteries Only) pre-charged, up to 2775 mWh. 100% Quality Guarantee and Satisfied Customer Service.
  • 1.8 Hours to Fully Charged: Get a full charge in 1.8 hours. Much faster than traditional Ni-MH rechargeable batteries which need 3 hours to fully charged.
  • Constant voltage and Best Performance: Tenavolts rechargeable lithium batteries are far superior in voltage retention. Designed with innovative technology, Tenavolts outputs 1.5 voltage from 100% to 0% electric capacity, providing constant voltage and best performance in heavy load discharge.
  • Wide Usage:4 AA high-capacity rechargeable batteries are great for use in your household devices, such as insulin pump, toys, remote controls, and portable audio players.
  • Long-lasting batteries, Less Waste:Tenavolts can be recharged in 1,000 cycles. Since discarded batteries are terrible for the environment, from environment perspective, rechargeable batteries are more economical and better than regular batteries for the environment.
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24x Energlzer AA Lithium Batteries Ultimate L91 Exp:2038 USA Wholesale Lot

  • High Power Capacity: Includes Tenavolts AA High-Capacity Rechargeable Batteries pre-charged, each with 2775 mWh. Great use for high-power demand device, including insulin pump, toys, remote controls, and portable audio players.
  • 1.8 Hours to Fully Charged: Get a full charge in 1.8 hours. Much faster than traditional Ni-MH rechargeable batteries which need 3 hours to fully charged.
  • Constant voltage and Best Performance: Tenavolts rechargeable lithium batteries are far superior in voltage retention. Designed with innovative technology, Tenavolts outputs 1.5 voltage from 100% to 0% electric capacity, providing constant voltage and best performance in heavy load discharge.
  • Long-lasting batteries, Less Waste: Tenavolts can be recharged in 1,000 cycles. Since discarded batteries are terrible for the environment, from environment perspective, rechargeable batteries are more economical and better than regular batteries for the environment.
  • Unique recharge design: Tenavolts AA batteries can only be recharged with the authorized unique Tenavolts battery charger. The Tenavolts battery charger satisfies the special recharging requirements.
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DC-DC Buck, DROK Power Supply Module LM2596 DC Buck Converter 5V-36V to 1.25-32V Step Down Voltage Regulator Stabilizer 3A 5A CC Volt Transformer Reducer

  • PARAMETER --- input voltage range DC 5V-36V.
  • output voltage DC 1.25V-32V continuously adjustable.
  • max output current 5A, recommend use of within 4.5A.
  • max power 75W, recommend use of within 50W..
  • MULTIMETER --- detect and display voltage, current, power, can be used as voltmeter/ammeter/power meter..
  • CC & CV MODE --- with constant current mode & constant voltage mode..
  • currently mode indicator & charging status indicator.
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SMKAN DP20V2A Constant Voltage Constant Current Programmable Control Step-down Supply Power Module

  • The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-20.0V, step by 0.1V. Its adjustable output current range is 0-2.00A, step by 0.01A. Boot voltages can be stored freely and the model has two groups of quick storage voltage. Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. LCD display on the model has the function digital voltmeter and ammeter. You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power and LCD brightness..
  • Adjusting preset voltage:Pressing SET button, page down to U-SET, press the codding potentiometer, then enter toadjustnumeric value. Press codding potentiometer in turn to choose the numeric value you want to adjust. Turn codding potentiometer to adjust the numeric value. If you want toexit adjusting voltage, press shortly SET. In the process of adjusting preset voltage, if you open output voltage mode by pressing the ON/OFF, the output voltage will be refreshing by increasing or decreasing the numeric value.
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Bradford Protein Assay w/BSA Protein Standard, 500 Assays, 10478- by Cepham Life Sciences

  • Linear Power Supply for Super quiet Output with low ripple and clean Voltage and Current.
  • 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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DS18 3AVS 14.4V Car Audio Stabilizer Constant Steady Output Voltage

  • DS18 3 amp Volt stabilizer - input any voltage between 6-16v and get steady output at 14.4V..
  • Wide voltage input, steady output voltage @ 14.4V..
  • Strong performance, high reliability, & best preset voltage.
  • Input voltage range: 6-16v. Output voltage: constant 14.4V..
  • Voltage stabilized accuracy: 003c 0.5%. Ripple factor: 003c 0.1%. transfer efficiency: 003e 85%..
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Adjustable Current LED Driver, DC 3.3V 3.7V 5V LED Driver 30-1500mA Constant Current Adjustable Module for LED 18650 Li-ion

  • This product is a current regulation integrated circuit operating from an input voltage of 2.8V to 6V, the constant output current can be set up to 1.5A with an external resistor..
  • It consists of high precision reference voltage, amplifier, current mirror, etc. The on-chip power transistor and current sense block greatly reduce the external component count, which makes this product ideal for LED driver..
  • When the CE pin is high, the input voltage is greater than 2.8V, and is larger than the LED forward voltage plus the required voltage drop, it functions normally to deliver constant current from the LED pin..
  • Adopts the temperature regulation instead of temperature protection function, the temperature regulation can make the LED being turned on continuously in case of high ambient temperature or high voltage drop. When the junction temperature reaches about 1.
  • With e chip enable function, which can shutdown the whole chip to limit the current consumption within 1uA. Adopts the over current protection block. When LED current approaches 1.9A(Typical), the over current protection block begins to function to prevent the LED current from increasing further..
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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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Melasta 3500mWh Rechargeable AA Lithium Batteries with Charger, 1.5V Constant Voltage High Power Li-ion Battery

  • 3500mWh High Capacity: Higher power capacity than most batteries of the same kind, brings more operating time for power hungry devices, lets you spend less time on recharging and switching batteries..
  • 1.5V Constant Voltage: Higher voltage than regular 1.2V batteries makes it ideal for voltage sensitive devices. 1.5V constant output from the beginning to the end of every discharging cycle, guarantee high performance for devices that requires a steady connection, such as VR controllers, wireless game controllers and other critical devices..
  • Fast Charging USB Charger: Designed specifically for Melasta Li-ion battery, can charge up 4 AA or AAA batteries in just 2-2.5 hours. Has a standard USB power input that can connect with any USB wall charger, power bank, laptop and desktop PCs. Note: 5V 2A power supply required..
  • Superiority in Longevity: Made with premium Li-ion cells, these batteries can be recharged for up to 1000 times making it sustainable for years of use..
  • Integrated Protection: Built in with safety protection chip that regulates battery voltage and current to avoid possible malfunction caused by short circuit, over-charge or discharge, over-voltage and over-heating..
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