Reviews Automatic Constant voltage

THEPRO 12V 15A LifePO4 Battery Charger 14.6V Smart Charger and Maintainer for Lithium-Iron Deep Cycle Rechargeable Batteries of Car Truck Boat RV Lawn Tractor and More

  • This is a very special battery charger, designed for 12V (12.8V ) Lifepo4 batteries. Charging Specs: 14.6V | Charging Current: 15A | Cut-off Current:....
  • Smart and Efficiently - THEPRO Lifepo4 smart charger is implemented the special 2-stage constant current/constant voltage (CC/CV/Cut off) charge....
  • Safe and Secure - Automatic Shutdown when fully charging. Multilevel Protections guard against Overcharge, Over-Voltage, Overheat, Over-time Charging....
  • Optimized for Any Climate - More precise charging in hot and cold climates because of our new integrated thermal sensor. Avoids under-charging in cold....
  • Durable and Cooling Fast - The durable aluminum alloy shell and cooling fan allow the charger's exterior to function as a heat sink with over-heating....
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MATRIX MPS-3005H-3 Triple Linear DC Power Supply,30V 5A Adjustable Variable Low Ripple Benchtop DC Power Supply Digital Regulated Lab Grade with 4 Digits Display with Series and Parallel Mode

  • 【Automatic Power Calculation】 Different from other dc power supplies, LONGWEI PS-3010DF bench power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.01A..
  • 【5V/2A USB Interface & The design with Elastic Handle】This adjustable power supply could charge the device which you want to repair. It also features a large display that makes it easy and accurate to read voltages and currents. In addition, the design with Portable and lightweight could help you to carry it easily..
  • 【Constant Voltage & Constant Current Operation Mode】The easy-to-use rotary knob of coarse and fine could adjust the data of voltage and current digit by digit, which allows you to set the desired output resolution quickly and easily in 30V 10A..
  • 【Multiple Protections】This bench power supply provides overvoltage, overcurrent, overtemperature, overload, and short circuit to protect your device, prolong the service life of the dc power supply. In addition, it also has multiple heat radiation grooves on both sides, provides the cooling & exhaust fan protection.
  • 【Various Application】This one weighs less than 3kgs and mea....
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Car Defroster Heater, Adjustable 300W-500W Ceramic Car Heating Fan Heater,Heating Warmer Windshield Defroster Demister,DC 12V Temperature Control Device

  • This Car Defroster Heater works perfectly against fog on your windows, keeps you cool at summer and warm in the winter. Easy to connect to your cigarette lighter or battery clamp, open the switch and the hot air come out immediately.
  • Power Adjustment: 150W-350W (12V), 300W-500W (24V).
  • Rotating Speed: 2000. The power can be adjusted according to the voltage, very useful for speeding up demisting and defrosting.
  • The heat conversion rate of ceramic alloy heater is high, and has advantage of automatic thermostat and adjust the power, automatic constant pressure, improve the circuit security.
  • Comes with double heater for strong wind, but low energy loss, low noise. Compact portable unit with fan & heat settings, ideal for in-car, camping etc.
  • Package Included: 1 x Car Fan Heater, 1 x Car Charger, 1 x Silicone Pad, 2 x Battery Clamps, 3 x Protective Tubes.
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Weighing Sensor Transmitter Tension Sensor Transducer Weight Transmitter Amplifie Voltage Current Converter Sensor Amplifier Load Cell Amplifier Linear Differential Input Voltage

  • ▶ HIGH SENSITIVITY -- Features high precision, high sensitivity, high stability, and durable in use. Package List: 1 * Load Cell Transmitter.
  • ▶ PRECISELY AMPLIFY -- The internal high-performance device is used to precisely amplify the sensor output signal, internal voltage regulation, constant current bridge, voltage and current conversion, impedance matching, linear compensation, humidity compensation, etc..
  • ▶ CONVERT OUTPUT -- Convert the mechanics and quantity into standard current and voltage signal output, which can be switched from 0~5V/0~10V.
  • ▶ DIRECTLY CONNECTED -- It can be directly connected with the interface of the automatic control device PLC single-chip host computer terminal or computer.
  • ▶ MULTIPLE PROTECTIONS -- With standard signal external zero adjustment, external adjustment gain function, input overload protection, output short circuit protection.
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E-outstanding Wall Charger Black 3.7V Single Slot Rechargeable Battery Charger for 18650 18350 16340 14500 14000 Li-ion Battery

  • Made of high-quality materials, strong and durable, and long service life..
  • Automatic constant current control can quickly charge to prevent battery overcharge, short circuit and electric shock..
  • With light-emitting diode indicator: red light represents charging status, green light represents full charge..
  • Universal multifunctional AC wall-mounted battery charger for home/travel..
  • Input voltage: 100-240C AC, 47-63Hz.Output voltage: 3.7V DC.Rated current: 450mA.Size: 100x30x40mm / 3.94x1.18x1.57 inches..
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DEVMO 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..
  • 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 extrac.
  • 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 wi....
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DRL Controller 12-18V Auto Car LED Daytime Running Light Controller LED On/Off Fog Light Switch Controller Car Accessories

  • Intelligent controller design, with constant light, dimming, delay and automatic switching functions. When the battery is connected, the daytime running lights will light up for about 15 seconds and then go out. This is normal (implements the delay function). Then you have to start the car. When the voltage reaches 13 V +, the drl controller will start working..
  • DRL controller for automatic adopted waterproof design is practical and has a long service life. High-quality ABS material makes it strong, corrosion-resistant and durable..
  • Easy installation: 1. Connect the positive and negative poles of the daytime running lights on the left and right sides first, and then connect the negative poles first. 2. Connect the input red and black wires to the fuse on the controller to light up the positive and negative poles of the battery, and the output red and black terminals light up the positive and negative poles of the daytime running lights..
  • Smart start: When the car starts (the voltage must be higher than 13 V +), the driving lights will automatically turn on during the day. When the headlights (or reading lights) are turned on, the daytime running lights are dimmed.
  • when the car is turned off (the voltage must be lower than 12.5 V), the daytime running li....
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Lustaled 36W 12 Volt LED Power Supply, DC 12V LED Driver, AC 120V to DC 12V Switching Converter, 12V Low Voltage Transformer for LED Light Strips Computer Project LED Display CCTV Camera (2-Pack)

  • 【12V Ultra-thin LED Driver】Not Dimmable, Constant voltage, not constant current, AC 100-277V(Wide Voltage) 50/60HZ to DC 12V 12.5A 150W LED power supply..
  • 【Widely Used】This led power supply suitable for Indoor and Outdoor Led Light, Led Strip Lights, Street Light, Garden Light, Survelillance Cameras,Fog-proof Light,Ceiling Lights,Frack Lights, Spotlight,Billboard,kitchen cabinet lights and led landscape transformer and any 12V DC lights.
  • 【Automatic Protections】Built-in thermal & overload cut-off, short circuit, over temperature protection, ensure your safe use..
  • 【IP67 Waterproof】The Electronic DC transformer resistant IP67 Waterproof, suitable for indoors and outdoors. Aluminum metal housing and filled with glue for waterproof..
  • 【100% 2 Years Warranty】Efficient and stable, We’d like to offer 2 years warranty and friendly lifetime service, Any other questions, pls feel free to contact us..
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DOOAIR Mini Portable Travel Hair Dryer,Dual Voltage Lightweight Blow Dryer with EU Plug,1875W Professional Hairdryer with Folding Handle ,Concentrator Attachment Hair Dryer for Women Men (white)

  • ...e hair's surface while locking moisture in for healthy, hydrated hair without frizz or heat damage.Salon-level hair care, deep nourish hair, repair hair scales, long-term use, soft and shiny hair.
  • 【Safety Design】Our lightweight hair dryer is low noise radiation protection, equipped with ALCI safety plug overload automatic power off safety protection system, also suitable for all-age family use, if you have any questions about our hair dryers, you can always contact us, we will be happy to solve your problems, we look forward to you use our products!.
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