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10 Best Bench Power Supply 2025 in the United States
#1
Winner
GW Instek PSU 6-200 DC Power Supply, 6 V, 200 A, 1200 W
The GW Instek PSU 6-200 is a bench power supply designed to deliver up to 6 volts and 200 amps, providing a substantial 1200 watts of power. This high current output is particularly useful for applications requiring heavy-duty power, such as testing automotive components, large batteries, or industrial electronics.
#2
Rigol DP932A Programmable Linear Dc Power Supply,3 Channels,210W Total Power
The Rigol DP932A Programmable Linear DC Power Supply offers a solid option for those requiring precise control over their power supply needs. It features three fully isolated channels, which enhances versatility and safety when working with multiple devices simultaneously. With a total output wattage of 210W, it is suitable for a variety of applications, including lab work and personal projects that require stable and adjustable power sources.
Rating
9.4
Number of Outputs
Most important from
5 reviews
#3
SIGLENT SPD3303X DC Power Supply
The SIGLENT SPD3303X DC Power Supply is designed for users who need a reliable and versatile bench power supply for various electronic projects. Its standout feature is the three independently controllable outputs, allowing you to power multiple devices simultaneously with different voltage and current settings. The main outputs offer a voltage range up to 30V and a current rating of 3A, which is quite sufficient for most applications. Additionally, the power supply gives superb resolution with 1mV and 1mA precision, making it ideal for sensitive projects where accuracy is crucial.
Top 10 Best Bench Power Supply 2025 in the United States
#1
Winner
GW Instek PSU 6-200 DC Power Supply, 6 V, 200 A, 1200 W
GW Instek PSU 6-200 DC Power Supply, 6 V, 200 A, 1200 W
Output Voltage Range: up to 6 volts
Output Current Range: up to 200 amps
Chosen by 1472 this week
SIGLENT SPD3303X DC Power Supply
SIGLENT SPD3303X DC Power Supply
Output Voltage Range: up to 30V
Output Current Range: 3A
Number of Outputs: 3
Display Type: TFT-LCD
Rigol DP832A Programmable Linear Dc Power Supply,3 Channels,195W Total Power,Maximum Output Range 30V/3A || 30V/3A, 5V/3A
Rigol DP832A Programmable Linear Dc Power Supply,3 Channels,195W Total Power,Maximum Output Range 30V/3A || 30V/3A, 5V/3A
Output Voltage Range: 30V/3A for two, 5V/3A for third
Output Current Range: 3A
Number of Outputs: 3
Ripple and Noise: low
Display Type: 3.5-inch TFT
Protection Features: over-voltage, over-current, over-temperature
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
Output Voltage Range: 0-30V
Output Current Range: 0-10A
Display Type: 4-digit LED
Protection Features: short-circuit, overload
Related Products
Instek GPD-4303S 200W Quadruple-Output Programmable Linear DC Power Supply, 30V DC, 3 Amp, 1mV, 1-milliamp Resolution
Instek GPD-4303S 200W Quadruple-Output Programmable Linear DC Power Supply, 30V DC, 3 Amp, 1mV, 1-milliamp Resolution
Output Voltage Range: 0-30V and 0-10V outputs
Output Current Range: 0-3A and 0-1A outputs
Number of Outputs: 4
Ripple and Noise: Low
Display Type: Digital
Protection Features: Basic overload protection
B&k Precision Dc Power Supply, 1Ch, 1-16V, 60A, Adj - 1900B
B&k Precision Dc Power Supply, 1Ch, 1-16V, 60A, Adj - 1900B
Output Voltage Range: 1-16V
Output Current Range: up to 60A
Number of Outputs: 1
B&K Precision 1687B Switching Bench DC Power Supplies, 1-36V, 10A
B&K Precision 1687B Switching Bench DC Power Supplies, 1-36V, 10A
Output Voltage Range: 1-36V
Output Current Range: up to 10A
Display Type: LED
B&K Precision 1688B Switching Bench DC Power Supplies, 1-18V, 20A
B&K Precision 1688B Switching Bench DC Power Supplies, 1-18V, 20A
Output Voltage Range: 1-18V
Output Current Range: up to 20A
Display Type: dual LED screen
#10
Programmable DC Power Supply (0-30 V 0-10 A) 110V Input High Precision 4-Digit Multiple Protection with PC Software and USB Charging
Programmable DC Power Supply (0-30 V 0-10 A) 110V Input High Precision 4-Digit Multiple Protection with PC Software and USB Charging
Output Voltage Range: up to 30 volts
Output Current Range: up to 10 amps
Number of Outputs: single output
Display Type: 2.8-inch color LCD
Protection Features: overvoltage, overcurrent, overheat
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Buying Guide for the Best Bench Power Supply
When choosing a bench power supply, it's important to consider your specific needs and the types of projects you'll be working on. A bench power supply is a crucial tool for anyone working with electronics, as it provides a stable and adjustable source of power. Understanding the key specifications will help you select the best power supply for your requirements.Output Voltage RangeThe output voltage range indicates the range of voltages that the power supply can provide. This is important because different electronic projects require different voltages. Typically, bench power supplies offer a range from 0 to 30 volts, but some can go higher. If you work on a variety of projects, a wider voltage range will be more versatile. For basic projects, a lower range might suffice, but for more advanced or varied work, a higher range is beneficial.
Output Current RangeThe output current range specifies the maximum current the power supply can deliver. This is crucial for ensuring that your power supply can handle the current demands of your projects. Common ranges are from 0 to 5 amps, but higher current ranges are available for more demanding applications. If you work with high-power devices, you'll need a power supply with a higher current range. For smaller, low-power projects, a lower current range will be adequate.
Number of OutputsThe number of outputs refers to how many separate power channels the supply can provide simultaneously. Single-output power supplies are sufficient for many basic tasks, but if you need to power multiple circuits at once, a dual or triple output supply can be more convenient. Consider the complexity of your projects and whether you often need to power multiple devices at the same time.
Load RegulationLoad regulation measures how well the power supply maintains its output voltage under varying load conditions. Good load regulation is important for ensuring stable performance, especially in sensitive electronic circuits. Look for a power supply with a low load regulation percentage (e.g., less than 0.1%) for the best stability. If your projects involve precision electronics, excellent load regulation is crucial.
Line RegulationLine regulation indicates how well the power supply maintains its output voltage despite changes in the input voltage. This is important for ensuring consistent performance even if your mains voltage fluctuates. A lower line regulation percentage (e.g., less than 0.1%) is better. If you experience frequent power fluctuations, a power supply with good line regulation will help maintain stable output.
Ripple and NoiseRipple and noise refer to the small, unwanted variations in the output voltage. Low ripple and noise are important for ensuring clean power delivery, which is especially critical in sensitive analog and digital circuits. Look for a power supply with low ripple and noise specifications (e.g., less than 1 mV RMS). If you work with audio equipment or precision measurement devices, minimizing ripple and noise is essential.
Display TypeThe display type on a bench power supply shows the output voltage and current. Common types include analog meters, digital displays, and more advanced graphical displays. Digital displays are generally easier to read and more accurate. If you need precise control and monitoring, a power supply with a clear, accurate digital display is preferable. For basic use, an analog display might be sufficient.
Protection FeaturesProtection features such as overvoltage protection (OVP), overcurrent protection (OCP), and short-circuit protection are important for safeguarding both the power supply and your projects. These features prevent damage in case of faults or incorrect settings. If you work with expensive or sensitive equipment, having robust protection features is crucial to avoid costly mistakes.