10 Best Bench Power Supplies Under 100 in 2026: Reliable Picks for Home Labs, Repairs, and Electronics Testing

Finding a dependable bench supply on a tight budget is easier than ever, but the right choice still depends on how you work. Some buyers need higher current for repairs, while others want cleaner controls, safer output switching, or a compact unit for a small bench.

This roundup of the best bench power supplies under 100 focuses on practical value: stable output, clear displays, useful protections, and the right feature mix for electronics projects, DIY testing, and light lab work.

Best 10 Bench Power Supplies Under 100 Picks for 2026

Compact Variable Workhorse – Jesverty SPS-3010 0-30V 0-10A

If you’re comparing bench power supplies under 100, the Jesverty SPS-3010 is a practical pick for general electronics work. It gives you adjustable 0-30V and 0-10A output, plus a clear 4-digit display that shows voltage, current, and power in real time.

Best For: Hobbyists and small bench setups that want a compact adjustable supply with CV/CC operation.

Pros:

• 4-digit LED display shows V/A/W with fine resolution
• Automatic CV and CC mode switching
• Compact, lightweight body for a crowded workbench
• Includes multiple protection features like short-circuit and overload protection

Cons:

• Included test leads are described as a giveaway, not ideal for sustained high-current use
• Fan cooling may be noticeable during heavy operation

This is a straightforward bench supply for everyday prototyping, repair, and testing where simple controls and real-time readout matter more than advanced programmability.

High-Current Fixed-Voltage Option – Jesverty SPS-30II 13.8V Supply

For bench power supplies under 100 that are aimed at DC devices, the Jesverty SPS-30II stands out with a fixed 13.8V mode and a 9V to 15V adjustable range. Its 30A rating and multiple front-panel outputs make it useful when you need a compact regulated source for heavier 12V-style loads.

Best For: Users powering DC equipment that wants a fixed 13.8V source with high current capacity.

Pros:

• Adjustable from 9V to 15V, or fixed at 13.8V
• 30A output for demanding DC applications
• Multiple connection options, including screw terminals, auxiliary terminals, and a cigarette lighter socket
• Built-in fan and protection features for continuous use

Cons:

• Voltage range is narrower than a variable lab-style bench supply
• Analog meters are less detailed than digital readouts

This model makes the most sense when your projects are centered on DC gear rather than adjustable lab experimentation. It’s a strong utility supply if current capacity and easy connections matter most.

Precision Control Pick – NANKADF 30V 10A Encoder Supply

Among bench power supplies under 100, this NANKADF unit is appealing if you want finer control over voltage and current settings. The encoder knob lets you set each digit directly, while the 4-digit display, output enable button, and USB fast-charge port make it practical for everyday bench work.

Best For: Buyers who want more precise adjustment and easy output control in a compact supply.

Pros:

• Encoder knob allows digit-by-digit voltage and current adjustment
• Output enable/disable button adds convenient control and safety
• 4-digit display with CV/CC modes and adjustable brightness
• Includes an 18W USB fast-charging port

Cons:

• Short-circuit protection is tied to the OCP function being enabled
• USB port is useful, but the main appeal is still bench power output

This is a solid choice if you value control granularity over a basic knob-and-dial layout. It combines precision, visibility, and a few convenience features in one compact package.

Feature-Rich Compact Supply – FNIRSI DPS-150 30V 5A

If you’re shopping bench power supplies under 100 and want a more modern interface, the FNIRSI DPS-150 brings a lot to the table. It offers 0-30V, 0-5A output, low ripple under 20mV, multiple input options, and a color IPS display with curve and numeric views.

Best For: Tinkerers and electronics users who want a compact supply with advanced display and programmable features.

Pros:

• <20mV low power ripple for cleaner output
• Supports PC, QC, and DC input modes
• Can store 6 output parameter presets for quick changes
• IPS color screen with 90° flip and curve display

Cons:

• Lower 5A output than higher-current bench supplies
• Advanced features may be more than casual users need

This model is best when display quality, preset convenience, and lower-noise output matter as much as raw output range. It feels more advanced than a basic lab supply without giving up compact size.

Dual-Display Pro PSU – 32V 10A Variable Bench Supply with USB-C Control

If you want bench power supplies under 100 with more monitoring and control than basic entry-level units, this 32V 10A model stands out. It adds a dual display for set versus actual output, USB-C PC control, and a rotary encoder for fine adjustment, making it a practical choice for repair work, testing, and battery charging.

Best For: Electronics repair, lab testing, and users who want PC control plus a dual-display layout.

Pros:

• Dual display shows set value and actual output at the same time.
• USB-C communication supports PC control and parameter recording.
• One-key OCP and lock function help protect projects during testing.
• Includes an 18W Type-C charging port for phones and tablets.

Cons:

• Best suited to users who will benefit from software control and extra features.
• Physical footprint is larger than ultra-compact mini bench supplies.

Overall, this is a feature-rich bench supply for users who value precision, output monitoring, and automation-friendly controls. It’s especially attractive if you need a single unit that can support both bench work and everyday charging tasks.

Ultra-Portable Mini PSU – 30V 5A Mini Variable Bench Supply

For shoppers comparing bench power supplies under 100, this tiny 30V 5A unit is aimed at portability first. It weighs just 95g, accepts 5–32V input, and can run from a phone charger, power bank, or laptop adapter, which makes it a convenient pick when you need a stable DC source away from a traditional benchtop setup.

Best For: Portable electronics work, field repairs, and compact setups where size matters more than desktop-style hardware.

Pros:

• Extremely small and light, with a palm-sized 95g design.
• Supports USB-C PD and QC fast-charging input for flexible power.
• Delivers 0–30V / 0–5A output with low ripple and fine resolution.
• Includes protections for over-voltage, over-current, over-temperature, and reverse polarity.

Cons:

• Not a traditional benchtop unit, so it may not suit users wanting a larger front panel.
• Output is limited to 100W, which is enough for small loads but not heavier projects.

In practice, this model is best when you need a truly portable lab supply that still offers serious control and protection. It’s a strong fit for low-power electronics, prototyping, and travel-friendly testing.

Preset-Friendly Bench PSU – 30V 5A Adjustable Supply with Memory and USB

This compact option fits the bench power supplies under 100 category well if you want straightforward control plus useful convenience features. It offers 0–30V / 0–5A adjustment, a 4-digit LED display, memory storage for four presets, and both USB-C and USB-A fast charging ports for a more versatile workspace.

Best For: General electronics work, teaching, battery charging, and users who want quick preset recall.

Pros:

• 4-digit display shows voltage, current, and power together.
• Four memory slots make repeated settings faster to recall.
• Independent output enable button improves day-to-day control.
• USB-C and USB-A 18W charging ports add extra utility.

Cons:

• Current output is limited to 5A, so it is not for higher-demand loads.
• Fewer advanced control options than models with PC software support.

Overall, this is a practical all-rounder for users who want a compact supply with preset convenience and simple safety controls. It should work well for routine lab, repair, and training use where speed and clarity matter.

Compact Precision Starter – NICE-POWER 30V 5A Encoder Supply

If you’re comparing bench power supplies under 100, this NICE-POWER unit is a practical pick for small lab, repair, and DIY jobs. It offers 0-30V and 0-5A output with a 3-digit LED readout, plus encoder-style controls that let you set values more deliberately than a basic potentiometer design.

Best For: Makers, hobbyists, and repair work that need a compact, easy-to-set variable bench supply.

Pros:

• Encoder knob control makes voltage and current setting more precise.
• 0.1V and 0.01A resolution with a clear backlit 3-digit display.
• Compact 1.54 lb build for small workbenches and portable use.
• Includes multiple protections plus built-in fan cooling.

Cons:

• Maximum output is limited to 30V and 5A.
• No USB charging port is listed.
• Best suited to light-duty bench tasks rather than higher-power projects.

Overall, this is a straightforward bench supply for users who want accurate dial-in control without paying for extra features. It stands out more for simplicity, portability, and protection than for raw output.

Feature-Rich Midrange Pick – WANPTEK 30V 10A USB Bench Supply

Among bench power supplies under 100, this WANPTEK model is aimed at users who want more output and a few convenience features in one compact unit. It combines encoder-based adjustment, a 4-digit display, and a USB fast-charging port, making it useful for repair benches and general DIY testing.

Best For: Users who want a higher-current variable supply with a USB port and real-time display feedback.

Pros:

• 30V/10A capability gives more headroom than smaller entry-level units.
• 4-digit display shows voltage and current with high resolution.
• USB fast-charging port includes real-time output current monitoring.
• Encoder knobs make setting values quicker and more precise.

Cons:

• At 2.53 lb, it is still portable but heavier than the smallest options.
• Plastic enclosure may feel less rugged than metal-bodied alternatives.
• Feature set is broader, but the footprint is still best for modest bench setups.

This is a well-rounded choice if you want more than just adjustable DC output. The added USB port and 10A rating make it especially appealing for mixed bench tasks where convenience matters.

Safety-Focused Workhorse – NICE-POWER 30V 10A Output Switch Supply

If you want bench power supplies under 100 with more output and safer day-to-day handling, this NICE-POWER model is worth a look. It provides 0-30V and 0-10A output, a precise 4-digit display, and a dedicated OUTPUT switch so you can set values before energizing the load.

Best For: Bench users who want a safer, more convenient 10A supply with USB charging.

Pros:

• 0.01V and 0.001A resolution with voltage, current, and power display.
• OUTPUT switch lets you adjust settings without live output.
• Built-in 5V/2A USB port adds extra charging convenience.
• Multiple protections and temperature-controlled fan support reliable operation.

Cons:

• 110V input only, so it is not suitable for 220V use.
• At 8.4 x 3.3 x 5.5 inches, it is less compact than the smallest units here.
• The vertical form factor may not suit every bench layout.

For users who prioritize control and safety, this model has one of the strongest feature sets in the budget category. The combination of 10A output, USB charging, and output switching makes it a practical all-around bench supply.

How We Picked the Best Bench Power Supplies Under 100

We focused on models that offer the most useful balance of voltage range, current capacity, control precision, and everyday usability for Bench Power Supplies Under 100. Priority went to units with adjustable output, readable displays, encoder or knob-based tuning, output enable controls, and protections that matter in real use.

We also looked at form factor and feature set. A budget bench supply should be easy to set up, simple to read, and suitable for common tasks like prototyping, motor testing, phone repair, and powering small DC projects.

Quick Comparison

Higher-current models are the best fit when you need headroom for more demanding devices, while lower-current options are often better for compact workspaces and lighter electronics tasks. Programmable and USB-C-equipped units add convenience, but simpler analog-style operation can be ideal if you mainly want fast, repeatable manual control.

If you work on mixed projects, a versatile mid-range supply is often the best all-around choice. If your bench is small or your projects are low power, a mini portable model may be the smarter buy.

Key Buying Factors for Bench Power Supplies Under 100

Voltage and Current Range

Make sure the supply covers the voltage you actually use, then choose enough current for your highest-load projects. Many Bench Power Supplies Under 100 top out at 30V, which is plenty for most hobby and repair tasks.

Output Stability and Ripple

Lower ripple and stable regulation matter when testing sensitive circuits. If you work with microcontrollers, audio gear, or RF-adjacent projects, cleaner output is worth prioritizing.

Controls and Display Quality

Encoder knobs, output buttons, and clear dual displays make setup faster and reduce mistakes. A readable display is especially helpful when changing settings frequently.

Protection Features

Look for overcurrent protection, output enable/disable, and safe startup behavior. These features help protect both your project and the supply itself.

Size, Cooling, and Connectivity

Choose a compact footprint if bench space is limited, but do not ignore cooling. If you want digital convenience, USB, USB-C, or PC control can be useful extras.

Who Should Buy Which Bench Power Supplies Under 100?

If you want an all-purpose electronics workstation supply, choose a well-rounded 30V adjustable model with a solid display and output control. If your projects need more amperage, a 10A unit gives you better headroom. If portability matters, a mini bench supply is easier to move and store.

For repair work and general hobby use, the best Bench Power Supplies Under 100 are the ones that feel simple, safe, and predictable every time you turn them on. Pick the smallest feature set that still covers your real workload, and you will usually get the best long-term value.