Best Variable Dc Power Supply

Kungber DC Power Supply Variable, 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads

  • ...tion】 Different from other dc power supplies, WANPTEK DPS1203U dc 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 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipm....
Check Stock

DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments

  • ...tion】 Different from other dc power supplies, WANPTEK DPS3010U dc 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 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipm....
Check Stock

POWERBES DC Power Supply Variable 120V 3A - Adjustable Horizontal Switching Regulated Benchtop, Highly Portable, 3-Row & 4 Digits Display, Highly Accurate (0.01V - 0.001A), Testing Leads Included

  • ...rrent encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9, you can directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs..
  • 【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency..
  • 【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment..
  • 【Short Circuit Alarm】 When the load equipment fails and short-circuits, the adjustable dc power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage protection, thermal protection, voltage overload, power supply overload....
Check Stock

DC Power Supply Variable, Bench Power Supply with Output Switch, Short Circuit Alarm, Adjustable Switching Regulated Power Supply 30V 10A with 4-Digits LED Power Display, USB Quick-Charge Interface

  • ...rrent encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9, you can directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs..
  • 【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency..
  • 【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment..
  • 【Short Circuit Alarm】 When the load equipment fails and short-circuits, the adjustable dc power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage protection, thermal protection, voltage overload, power supply overload....
Check Stock

Programmable DC Power Supply (0-30 V 0-10 A) HM310T High Precision 4-Digit Voltage Current Power Time Display Variable Switching Digital Power Supply with PC Software and USB Interface

  • [Programmable DC Power Supply]: This programmable DC power supply has a standard USB interface on the back and supports the Modbus programming instruction set. Hardware list With programmable sequence output. Six groups of quick parameter storage features..
  • [High accuracy]: The HANMATEK variable DC regulated power supply can display the output current, voltage, and power in 4 digits. At the same time, the time can be displayed and the decimal point is automatically rounded up. Output voltage: 0-30V, output current: 10A. Voltage resolution: 10mv.
  • [Reliability and Safety]: This variable DC regulated power supply has five powerful functions: overvoltage protection (OUP), overcurrent protection (OCP), overpower protection (OPP), overheat protection (OTP), and short-circuit protection. It has a protective function. With the automatic temperature control cooling fan, the cooling fan turns on automatically when the operating temperature exceeds 45 ° C..
  • [Multi-function]: Front 5V 1.5A dual USB charging interface that can be charged and repaired. The one-key output on / off switch allows you to preset the voltage and current values ​​when the output is off, which is convenient for operation. One key for the voltage stabilization a....
Check Stock

Pyramid Universal Compact Bench Power Supply - 9 Amp Regulated Home Lab Benchtop AC-DC Converter Power Supply for CB Radio, HAM w/ 13.8 Volt DC 115/230V AC Switchable, USB, Cigarette Lighter - PSV90

  • CONVERTS AC TO DC: The switching DC power supply features AC-DC converter variable linear / regulated design. Provides reliable AC-to-DC power conversion w/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, HAM radio, etc.
  • USB AND SCREW-TYPE TERMINALS: This workbench variable power converter features USB charge port and universal screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance.
  • PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source.
  • SHORT-CIRCUIT PROTECTION: This PSU is equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe desktop placement.
  • CIGARETTE LIGHTER: This desktop bench power supply is equipped w/ cigarette lighter, a power socket adapter to provide ....
Check Stock

Pyramid Universal Compact Bench Power Supply - 7 Amp Regulated Home Lab Benchtop AC-Dc Converter Power Supply for CB Radio, HAM W/ 13.8 Volt Dc 120V AC Supply, Dual USB, Cigarette Lighter PSU990KX

  • Converts AC to DC: the bench DC power supply features ac-dc converter variable linear/ regulated design. Provides reliable AC-to-DC Power conversion W/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, ham radio, etc.
  • Dual USB ports: This workbench variable power converter features two (2) USB charge ports and universal banana Plug connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance.
  • 7 amp: the simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Constant Amperage is up to 7 amp w/ 4.5Amp continuous, power output of 13.8V DC and 120 volt power supply.
  • Short-circuit protection: This psuernummrnum is equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. It has rugged and durable housing construction & cabinet Heatsink.
  • Cigarette lighter: This desktop bench power supply is equipped w/ cigarette lighter, a power socket adapter to provide....
Check Stock

Diamond Audio MICRO4V2 4-Channel 600 Watts RMS Class D Amplifier

  • ...Balanced differential inputs for superior noise rejection.
  • Input sensitivity from 200mV to 10V accepts Line (RCA) and Speaker level input | Input selector switch (2 CH / 4 CH) | Selectable auto-turn-on mode: Signal Sensing (VOX), 12V Remote (REM) and DC offset (DC) | Fully variable, 12dB per octave, electronic crossovers | Built-in BTR Port (MICRO-USB) to connect our optional Bluetooth receiver-controller | Illuminated logo.
  • RMS Power Rating - RMS Power (2Ω): 150W x 4 | RMS Power (4Ω): 80W x 4 | Bridged (mono 1Ω): N/A | Bridged (mono 2Ω): N/A | Bridged (mono 4Ω): 300W x 2 | Topology: Full Range Class D Power Supply | Power Supply: Full PWM | Power Supply Threshold: 10.0VDC - 17.0VDC | Idle Current: (0.7A).
  • Distortion - THD 4 (1KHx @ 4Ω): 0.5% | S/N Ratio (A weighted @1W): -85dBA | S/N Ratio (A weighted @FP): -101.1dBA | Input Sensitivity - Low Input Level: 200mV - 10.0V | High Input Level: N/A | Input Impedance - Low Input Level: 20KΩ | High Input Level: 20KΩ.
  • Output Stage - Output Impedance: 0.018Ω | Damping Factor ([email protected]Ω): >70 | Bandwidth (-3dB): 10....
Check Stock

DC Power Supply Variable, 30V 10A Bench Power Supply with 4-Digits LED Display, USB Interface, Adjustable Regulated Switching Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button

  • 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage..
  • 【Precise 4-digit LED Display】The variable power supply with a high-definition 4-digit display, which can display three values of voltage, current and power at the same time. The data is accurate to 0.01V and 0.001A. The bright white digital display helps you to operate as usual in the dark, and you can adjust the brightness of the screen as needed..
  • 【Compact and Lightweight】The measures of the variable dc power supply is only 7.51*3.56*5.81inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it. NANKADF dc power supply is the best choice for beginners or professional electricians..
Check Stock