Best 80 VDC Power Supplies for Precise Lab Testing and DIY Projects
Answering your need for stable 80 VDC power, this guide compares top 80V power supplies ideal for lab work, electronics tinkering, and testing rigs. Best for bench-top use, hobbyists, and small- to mid-scale labs, these models cover CV/CC modes, high current, and smart protections. The top picks come from trusted brands and offer real-time display, encoder adjustments, and handy safety features. The table below highlights the most relevant options so you can pick a unit that matches your voltage, current, and control preferences.
- Jesverty SPS-8015N (0-80V, 0-15A, 1200W) — Encoder knobs, high-precision display, CV/CC auto-switching
- OWON SPE8205 (0-80V, 0-20A, 500W) — 2.8″ LCD, USB SCPI, robust protections
- Abestop DC Power Supply (0-80V, 0-20A, 500W+) — High-resolution 10 mV / 1 mA, PC control via USB
- Jesverty SPS-V (0-80V, 0-3A) — Compact, USB-C and USB-A charging, 4-digit display
- Jesverty SPS-8015 (0-80V, 0-15A, 1200W) — Encoder knobs, high-resolution display, CV/CC
Jesverty SPS-8015N: Encoder Knobs And 80V Precision
This unit provides 0-80V and up to 15A with a 1200W rating, making it suitable for demanding bench testing. The encoder adjustment knob replaces traditional potentiometers, delivering fine-grained control with a resolution of 0.01V/0.001A. The large 4-digit LED display shows real-time voltage and current, aiding precise setup in assembly lines or lab benches. It supports a temperature-controlled fan for cooling and includes an output ON/OFF button for quick power cycling without reconnecting loads. Best for: engineers and hobbyists who need precise voltage steps and quick adjustments during long tests. Caution: ensure adequate ventilation to manage heat during high-current runs.
OWON SPE8205: 80V, 20A, 500W Bench Power Supply
The OWON SPE8205 is a versatile 80V/20A power supply with a 2.8-inch TFT LCD that simultaneously displays set values and actual outputs, plus protection features to guard circuits. It includes a USB port for charging and a rear USB that supports firmware updates and PC software control. Best for: users who need a digital readout alongside test instrumentation and remote control capabilities. Better for: setups requiring SCPI compatibility and easy firmware updates. Limitation: higher current models may require closer monitoring for thermal behavior in continuous operation.
Abestop 80V/20A Power Supply: High Resolution And Automation
This 500W-class device delivers 0–80V with 0–20A output and a 10 mV / 1 mA resolution. It supports USB PC control and SCPI, which is ideal for automated test setups and batch experiments. Features include list mode with editable timed steps and memory presets M1–M4 for rapid recall of common configurations. Best for: automated test rigs and labs needing repeatable sequences. Caution: SCPI capability depends on firmware; verify compatibility with your control software before deployment.
CNCTOPBAOS 72V DC Power Supply: Close 80V Alternative
This unit offers a robust 0–72V range with adjustable current up to 8.3A in a compact enclosure, plus good efficiency and a copper transformer for cooling. Best for: projects that only require up to 72V but benefit from stable CV/CC behavior and a sturdy metal housing. Choose this if you need a compact footprint and plan to stay well within 72V. Limitation: not a full 80V output, so it’s not ideal for applications requiring exactly 80V.
OWON SPM8205: 2-in-1 Power Supply And Multimeter
The SPM8205 combines a bench power supply with a 4 1/2 digit multimeter, offering a single instrument for voltage, current, and resistance measurements. With 80V/20A output and SCPI-enabled USB, it simplifies data collection and remote control. Best for: labs seeking a compact, all-in-one device for testing circuits and validating power rails. Better for: projects that benefit from on-board measurement and logging. Limitation: the integrated multimeter may have slower refresh in high-current conditions, depending on configuration.
Buying Guide: Key Considerations For 80V DC Power Supplies
- Voltage and current range: Ensure the unit can comfortably cover your maximum voltage (80V) and current needs with headroom for transients.
- CV/CC modes: Automatic switching between constant voltage and constant current helps protect devices under test and enables flexible load testing.
- Display and control: Look for high-resolution displays and precise encoder knobs for quick, repeatable adjustments during experiments.
- Protection features: OVP, OCP, temperature protection, and short-circuit safeguards reduce risk during bench work.
- Remote control and automation: USB/SCPI compatibility enables programmable testing and integration into automated workflows.
- Interface and peripherals: USB charging ports, auxiliary outputs, and multi-step memory presets can streamline complex testing sequences.
- Thermals and power rating: Consider whether a unit’s cooling method and total wattage align with your load profile and duty cycles.
- Form factor and durability: Metal housings and compact footprints suit tight labs and fieldwork alike.
Frequently Asked Questions
- What is CV mode on an 80V power supply? — It stands for constant voltage, where the supply maintains a steady output voltage regardless of load fluctuations until current limits are reached.
- Do I need 80V for LED strip projects? — Some LED strips and drivers operate near 60–80V, but always verify the rated voltage of your specific strip to avoid overvoltage.
- Why choose a unit with encoder knobs? — Encoder knobs offer finer control and faster adjustments compared to traditional knobs, improving efficiency during calibration.
- Is a USB port necessary on an 80V supply? — A USB port is useful for charging devices or controlling the supply via PC software, but not essential for every application.
- What protections are most important for bench use? — Over-voltage, over-current, thermal protection, and short-circuit safeguards are critical for protecting both the device under test and the power supply.
- Can these supplies be used for automated testing? — Yes, devices with USB SCPI interfaces or PC control support integration into automated test rigs and data logging workflows.