Best Constant Current Power Supply

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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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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DC Variable Power Supply WZ5005 Adjustable Switching Power Supply with 4 Digit LCD Display for Lab Equipment and Electronic Testing

MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....

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CGOLDENWALL Lab Compact Spin Coater Machine Spin Processor EZ4 + Oil-free vacuum pump + VACUUM SPIN CHUCK HS-EZ4

MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....

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UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

UCTRONICS Variable Bench Power Supply DSP5005 - Buck Converter DC 6-55V to 0-50V 5A Precision Digital Adjustable Step Down - Constant Voltage and Current, 10 Preset Settings Switchable: This power supply combines digital control with analog integration. Its output range: Voltage is 0-50.00V, step by 0.01V.
This step down voltage regulator can store M0-M9 10 groups preset value when power-down. Keep pressing M1 or M2 more than 2s, the corresponding data group will be extracted and displayed on the right of the screen.
The 1.44 in colorful LCD monitor can display the preset voltage, input voltage, output voltage, the preset current, output current, output power at the same time. On the output state remind area, you can monitor that the key is locked or not, output is normal or not, the state of constant voltage and constant current, the current data set prompt and output opens or not.
There are four button-"M1", "M2", "SET" and "ON/OFF", and a coding potentiometer. Can be used for to set the output voltage and output current on the main display interface, set the data on the data setting interface, set the protection value, adjust the brightness of screen, extract Shortcut storage data group M1 or M2, etc..

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DC Power Supply Adjustable (30V 10A), Eventek Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord (30V 10A)

【High-definition display】Variable power supply, backlit LED can display 3-digit readings in high-definition, and the values can be easily seen in low-light environments. You can easily adjust it in the range of 0-30V and 0-10A..
【Constant voltage and constant current mode automatic conversion】Constant voltage mode (C.V.) and constant current mode (C.C.) will automatically switch with the connection of the load, of course, you only need to rotate the fine adjustment and coarse adjustment knob to get the value you want , extremely easy, it will become a good hand for your work and life..
【Stable output and intelligent heat dissipation】 Low noise output, output ripple less than 200mv, sustainable and stable output. And built-in thermal sensor, intelligent temperature control, greatly improve output stability and service life!.
【Safe and Reliable】For your safety, all power supplies have been manufactured and tested in multiple processes, and have functions such as short circuit protection, thermal protection, and overload protection..
【Small and Diverse Applications】Worried about the bulky power supply? This DC power supply weighs less than a laptop at just 3.2 pounds, saving more space on your workbench. And you can use it in vario....

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DC Power Supply Variable(0-30 V 0-5 A), Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, with Alligator Leads US Power Cord

【High-definition display】Variable power supply, backlit LED can display 3-digit readings in high-definition, and the values can be easily seen in low-light environments. You can easily adjust it in the range of 0-30V and 0-5A..
【Constant voltage and constant current mode automatic conversion】Constant voltage mode (C.V.) and constant current mode (C.C.) will automatically switch with the connection of the load, of course, you only need to rotate the fine adjustment and coarse adjustment knob to get the value you want , extremely easy, it will become a good hand for your work and life..
【Stable output and intelligent heat dissipation】Low noise output, output ripple less than 200mv, sustainable and stable output. And built-in thermal sensor, intelligent temperature control, greatly improve output stability and service life!.
【Safe and Reliable】For your safety, all power supplies have been manufactured and tested in multiple processes, and have functions such as short circuit protection, thermal protection, and overload protection..
【Small and Diverse Applications】Worried about the bulky power supply? This DC power supply weighs less than a laptop at just 3.2 pounds, saving more space on your workbench. And you can use it in various....

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EBC-A40L Battery Tester Electronic Load 0.1-40A Large Current Lithium Battery Charge Dischage Capacity Tester, 0-5V Fe Battery Cyclic Tester

【Product Parameters】 Voltage range: 0-5V voltage, accuracy: 0.2%+-0.003V, current range: 0.1-40A (maximum charging current 40A), current accuracy: 0.2%+0.01A, discharge mode: CC/CP, Discharge termination: time/cutoff voltage/manual, discharge power: 200W Max, charging method: CV constant current and constant voltage charging, charge termination: cutoff current/manual, heat dissipation: fan, power supply: AC110V..
【Practical Tester】EBC-A40L is an electronic load with charging function. It is suitable for charging and discharging capacitance test of various batteries, mobile power supply discharge test, charging head power performance test, supports connecting to a computer, and realizes more extended functions through online software..
【Automatic Test】The charging method is standard charging, and supports nickel-metal hydride, nickel-chromium, lithium, iron-lithium, and lead-acid. Support automatic charge-discharge-charge mode to test battery capacity. LCD display: voltage, current, capacity, time, power, energy test data..
【Excellent Performance】This EBC-A40L battery capacity tester is designed for high current charge and discharge within 5V, it supports a maximum charge current of 40A and discharge of 40A. It can be connected with a com....

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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

... 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 measures only 11.2 x 5 x 5.7 inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements .(Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns,we will reply to you t....

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