A dependable bench power supply makes electronics testing safer, faster, and more repeatable. Models with USB add convenient charging and power options without taking extra space on your workbench.
This roundup compares 10 variable DC supplies across output range, adjustment controls, memory features, protection, and USB connectivity so you can choose the right fit for your projects.
Best 10 Bench Power Supplies with USB Picks for 2026
Best Overall
NICE-POWER 30V 10A USB Bench Supply
- 30V/10A adjustable output
- Four-digit V/A/W display
- 5V/2A USB port and output switch
Best For: General electronics work and compact bench setups
Best for Presets
NANKADF 30V 10A Memory Bench Supply
- Three memory presets
- 5V/3.6A USB quick-charge port
- Encoder control with OCP alarm
Best For: Repeatable testing and repair workflows
Best for Battery Charging
- Intelligent charging mode
- 18W USB interface
- Incorrect-connection and OCP detection
Best For: Battery charging and repair work
Best Complete Kit
- Adjustable USB output
- Three lead sets and project mat included
- Memory, locks, and five protection modes
Best For: Advanced users wanting a ready-to-use repair bench
Precision USB Bench Pick
- 0–30V and 0–10A adjustable output
- 18W USB and Type-C quick charging
- Encoder controls with detailed protection
Best For: Precise electronics work and general bench testing
Smart Charging Choice
- 0–32V and 0–10A adjustable output
- Dual 20W USB-A and USB-C charging
- Battery charging with automatic stop
Best For: Makers handling projects, repairs, and battery charging
Simple USB Value Pick
- 30V/10A variable output
- 18W USB quick-charging port
- Output control and short-circuit alert
Best For: Routine electronics testing and repair work
Precision Repair Pick
- 0–30V and 0–10A regulated output
- Three memory presets and encoder tuning
- USB charging, OCP, output switch, and key lock
Best For: Repair benches and repeatable lab testing
USB-C Charging Pick
- 0–32V, 0–10A, and 320W output rating
- USB-A and USB-C 20W quick charging
- Coarse/fine encoders and compact design
Best For: Compact benches and USB-powered projects
Protection-Focused Pick
- 0–30V and 0–10A adjustable output
- USB-A and Type-C charging at 5V/3.6A
- Broad protection set with short-circuit alarm
Best For: Repair, DIY, and educational electronics work
Best Overall – NICE-POWER 30V 10A USB Bench Supply
For shoppers comparing bench power supplies with usb, this NICE-POWER model combines a 30V/10A adjustable output with a convenient 5V/2A USB charging port. Its bright four-digit display shows voltage, current, and power, while the output switch lets you adjust settings before applying power to a connected load.
Best For: General electronics work, lab use, repairs, and users who want a compact supply with clear readings and USB charging.
Pros:
- Displays voltage, current, and power with 0.01V and 0.001A resolution.
- Output on/off control allows adjustments without powering the load.
- Includes 5V/2A USB charging and multiple protection functions.
- Compact 2.6-pound design with temperature-controlled cooling.
Cons:
- Designed for 110V input; 220V input is not available.
- USB output is limited to 5V/2A rather than higher-speed charging.
This is a practical all-around choice when readable measurements, output control, and a basic USB charging port matter more than advanced memory features.
Best for Presets – NANKADF 30V 10A Memory Bench Supply
This NANKADF is one of the more convenient bench power supplies with usb for repeatable work. It pairs a 30V/10A adjustable output with three memory locations, a precision encoder knob, and a 5V/3.6A USB quick-charge port for compatible devices.
Best For: Repair benches, testing workflows, and users who frequently return to the same voltage and current settings.
Pros:
- Stores and recalls three frequently used voltage/current combinations.
- Encoder adjustment and pre-displayed settings simplify setup.
- 5V/3.6A USB quick-charge support adds useful charging capability.
- OCP short-circuit protection can stop output and sound an alert.
Cons:
- The supplied notes do not specify the USB port’s supported charging protocols.
- Its short-circuit alarm may be more feature than casual users need.
Choose this model if fast access to repeat settings is central to your workflow. The memory buttons and output enable/disable control can reduce setup time during repeated testing or repair tasks.
Best for Battery Charging – Kungber 30V 10A USB Supply
The Kungber SPS3010B stands out among bench power supplies with usb for its intelligent charging mode. Along with adjustable 30V/10A output, it monitors charging power, detects incorrect connections, and can stop charging when a battery is full. Its 18W USB interface is also suited to quick device charging.
Best For: Battery charging, electronics repair, laboratory projects, and users who want charging-focused safety features.
Pros:
- Intelligent charging mode can stop output when a battery is full.
- Detects incorrect connections and displays charging power in real time.
- 18W USB port supports faster charging than a basic 5V/2A port.
- Includes OCP alarm, thermal protection, and overload and short-circuit safeguards.
Cons:
- The supplied notes do not identify the specific fast-charging protocols.
- It is specified for 115V input, which may limit use outside compatible electrical systems.
This model is especially appealing when charging batteries is part of the job rather than an occasional task. Its charging detection features add useful safeguards, while the adjustable output remains suitable for broader bench work.
Best Complete Kit – X-Tronic PX-70 30V 5A Supply
For buyers seeking bench power supplies with usb and a ready-to-use accessory package, the X-Tronic PX-70 includes a 30V/5A linear supply, adjustable USB output, three sets of leads, and a project mat. It also provides memory recall, output control, lock/unlock functions, and five protection modes.
Best For: Advanced electronics work, computer repair, teaching labs, and buyers who want leads and workspace accessories included.
Pros:
- Complete kit includes three lead sets, a project mat, power cord, and instructions.
- Adjustable USB output supports voltage and amperage control.
- Offers three memory presets, output on/off, and voltage/current locks.
- Fine adjustment reaches 0.01V and 0.001A, with low output noise and ripple.
Cons:
- Its 5A maximum current is lower than the 10A models in this roundup.
- The supplied specifications state that 220V is not available.
- Its larger 10 x 5 x 7.25-inch footprint may need more bench space.
The PX-70 makes a strong case for users who value a complete, organized setup and more control over the USB output. Its lower current ceiling is the main trade-off compared with 30V/10A alternatives.
Precision USB Bench Pick – 30V 10A Encoder Power Supply
If you want bench power supplies with USB connectivity and precise adjustment controls, this HANGELL model combines a 0–30V, 0–10A adjustable output with 18W USB and USB-C quick charging. Its encoder control, four-digit display, and output switch make it practical for electronics work and lab testing.
Best For: Users who need precise voltage and current adjustment, USB-C charging, and broad protection features on a general-purpose workbench.
Pros:
- Encoder knob supports coarse and fine adjustment with 0.01V and 0.001A resolution.
- 18W USB and Type-C quick-charge ports add convenient device charging.
- Output switch, short-circuit alarm, OCP, overvoltage, overtemperature, and overload protection improve control and safety.
- Four-digit LED display shows voltage and current clearly.
Cons:
- It is larger and heavier than some compact desktop options.
- The USB charging output is rated at 18W, below the 20W rating of some alternatives.
Choose this model when precise encoder operation and layered protection matter more than minimizing bench space. Its 300W, 30V/10A output range also gives it useful headroom for varied electronics projects.
Smart Charging Choice – 32V 10A USB-C Bench Supply
Among bench power supplies with USB ports, the Jesverty SPS-3010C stands out for pairing a 0–32V, 0–10A adjustable output with USB-A and USB-C 20W quick charging. Its intelligent battery-charging mode, encoder controls, and compact design suit electronics projects, repairs, and charging tasks.
Best For: Makers and technicians who want USB-A/USB-C charging plus a dedicated battery-charging mode with automatic shutoff.
Pros:
- USB-A and USB-C ports both support 20W quick charging.
- Intelligent charging displays charging power and stops automatically when the battery is full.
- Encoder coarse and fine controls provide 0.01V and 0.001A setting resolution.
- Compact 7.1 × 3.6 × 6.2-inch design helps conserve workbench space.
Cons:
- The enclosure uses plastic and polycarbonate rather than a metal housing.
- Its output range begins at 0V and tops out at 32V, so it is not intended for higher-voltage work.
This is the most feature-oriented option of the group for users who regularly charge batteries or USB devices. The dedicated CHG control and automatic charging stop add convenience beyond basic variable power delivery.
Simple USB Value Pick – 30V 10A Encoder Supply
For shoppers comparing bench power supplies with USB quick charging, this NANKADF 30V 10A model offers precise encoder adjustment, a 4-digit LED display, and an 18W USB charging port. The output enable/disable button and overcurrent protection are useful additions for routine electronics testing and repairs.
Best For: Budget-conscious users who need a straightforward 30V/10A adjustable supply with USB charging and basic protective controls.
Pros:
- Encoder knob allows digit-by-digit voltage and current adjustment.
- Output button lets you disable power while changing settings or connections.
- OCP can stop output and sound an alarm during a short circuit.
- 18W USB fast-charging port is convenient for phones and repair devices.
Cons:
- The supplied notes identify USB quick charging but do not specify USB-C support.
- Its listed one-year warranty is shorter than the five-year warranty noted for the HANGELL model.
- The product documentation lists a 115V input, which may limit compatibility in some regions.
This model keeps the feature set focused: accurate adjustment, readable measurements, controllable output, and USB charging. It is a sensible fit for everyday bench work when advanced battery-charging functions are not a priority.
Precision Repair Pick – WANPTEK 30V 10A Bench Supply
If you need bench power supplies with USB for electronics repair, circuit diagnostics, or lab testing, the WANPTEK TPS-C3010 combines adjustable 0–30V, 0–10A output with practical workflow features. Its encoder control, memory presets, output switch, and USB charging port make it suited to repeatable bench work.
Best For: Technicians, repair benches, and lab users who need programmable presets and precise voltage and current adjustments.
Pros:
- Provides regulated 0–30V and 0–10A output, up to 300W.
- Encoder adjustment supports digit-by-digit voltage and current tuning.
- Includes three memory presets, output switching, OCP protection, and key lock.
- Built-in USB port can charge small devices while you work.
Cons:
- Included test leads are not intended for extended high-current use.
- U.S. users must set the rear 115V/230V input switch to 115V before operation.
- The USB feature is described as fast charging, but no charging output specification is provided.
This is a strong choice when control precision and repeatable settings matter more than advanced USB connectivity. Use higher-capacity leads for demanding, sustained current loads.
USB-C Charging Pick – Jesverty 32V 10A Bench Supply
Among bench power supplies with USB, the Jesverty SPS-3010V stands out for adding both USB-A and USB-C 20W quick-charge ports to a compact 0–32V, 0–10A switching supply. Coarse and fine encoder controls, an output button, and selectable input voltage support efficient project and repair work.
Best For: Electronics hobbyists, educators, repair users, and compact workbenches that need USB-A and USB-C charging.
Pros:
- Offers 0–32V and 0–10A output, rated up to 320W.
- Coarse and fine encoders provide 0.01V and 0.001A setting resolution.
- USB-A and USB-C ports support 20W quick charging.
- Compact design includes output switching, OCP, and temperature-regulated cooling.
Cons:
- Included test leads are not recommended for long-term, high-current operation.
- AC input settings and power-cord configuration vary by destination.
- It does not list memory presets among its supplied features.
This model is particularly practical when charging a phone or powering USB-based project hardware is part of your bench routine. Its compact enclosure also helps preserve workspace.
Protection-Focused Pick – WANPTEK 30V 10A USB-C Supply
The WANPTEK DPS3010U is one of the bench power supplies with USB designed for repair and teaching environments where charging and protection features are useful. It delivers adjustable 0–30V, 0–10A output, coarse and fine encoder control, USB-A and Type-C charging, and automatic 110V/220V input detection.
Best For: Electronics repair, DIY, laboratory, and educational work requiring multiple protection features and USB charging.
Pros:
- Provides adjustable 0–30V and 0–10A output with a 300W rating.
- Coarse and fine coding knobs make adjustments faster and more precise.
- USB-A and Type-C ports provide 5V/3.6A charging output.
- Includes short-circuit alarm, OCP, overheating, voltage, power, grounding, and leakage protections.
Cons:
- The supplied notes do not specify separate memory presets or an output on/off button.
- USB charging output is limited to the stated 5V/3.6A specification.
- Included output leads may not be suitable for sustained high-current use.
Choose this supply if broad protection coverage and USB-C charging are priorities. Automatic input detection also simplifies setup compared with models requiring a manual voltage-switch selection.
How We Picked the Best Bench Power Supplies with USB
We focused on the features that matter most during real bench work: adjustable voltage and current ranges, display readability, output controls, adjustment precision, USB charging capability, and protection features. The selection includes common 30V/10A switching supplies as well as lower-current linear designs for users who prioritize stable, low-noise output.
We also considered practical controls such as encoder knobs, coarse and fine adjustment, output-enable switches, memory presets, recall functions, and intelligent charging modes. Because USB specifications vary, buyers should confirm whether a model provides standard 5V output, USB-A fast charging, USB-C, or a dedicated charging mode.
Quick Comparison
| What to Compare | Why It Matters |
|---|---|
| Voltage and current range | Determines the projects and devices the supply can support. |
| Switching or linear design | Switching units are compact and efficient; linear units can offer lower electrical noise. |
| USB output | Adds a convenient way to power or charge compatible devices. |
| Controls and presets | Encoders, memory, and output switches improve repeatability and safety. |
| Protection features | Over-voltage, over-current, short-circuit, and thermal protection help protect equipment. |
Key Buying Factors for Bench Power Supplies with USB
Output Capability
A 0–30V or 0–32V range covers many hobby, repair, and educational projects, while a 10A maximum supports more demanding loads. Do not assume the maximum rating should be used continuously; check the manufacturer’s duty-cycle and cooling guidance.
Adjustment Precision
Encoder controls with coarse and fine adjustment are easier to use than a single basic knob when you need repeatable settings. Four-digit displays and memory presets are especially helpful when switching between test conditions.
USB Features
USB is useful for powering development boards, phones, accessories, and other low-voltage devices, but it is not automatically equivalent to the main regulated output. Check the USB voltage, current rating, connector type, fast-charge support, and whether USB output is available simultaneously with the primary terminals.
Noise and Protection
For sensitive analog circuits, a linear supply may be preferable. For general bench work, a regulated switching unit is often more compact and efficient. Look for OCP, OVP, short-circuit, over-temperature, and overload protection, plus a physical output on/off control.
Who Should Buy Which Bench Power Supplies with USB?
Choose a 30V/10A switching model if you want broad capability for repairs, prototyping, motors, lighting, and general electronics. Select a model with memory recall if you regularly repeat the same tests. USB-A or USB-C quick-charge support is useful when your bench also serves as a charging station. Choose a linear 30V/5A unit when lower noise is more important than maximum current. Beginners should prioritize clear displays, simple encoder controls, output switching, and strong protection features over advanced charging modes.