
SPS-1820 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $249.99 | Condition is Used, Instek SPS-1820 DC Single Output Switching Power Supply 18V 20A - Fair Condition, FREE SHIPPING | ![]() |
![]() | $250.00 | Condition is Used, Instek SPS-1820 Single Output Switch Mode Power Supply, shipping cost = $66.89 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $479.00 | Top Pick! Condition is New, GW Instek SPS-1820A Single Channel 360W DC Switching Power Supply 0-18V, 0-20A, FREE SHIPPING | 100.0% |
![]() | $479.00 | Top Pick! Condition is New, GW Instek SPS-1820A Single Channel 360W DC Switching Power Supply 0-18V 0-20A, FREE SHIPPING | 100.0% |
![]() | $558.00 | Top Pick! Condition is New, Instek SPS-1820 0-18V 0-20A DC Power Supplies FedEx or DHL or UPS, FREE SHIPPING | 95.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $435.00 | Condition is Seller refurbished, GW INSTEK POWER SUPPLY SPS-1820, shipping cost = $574.26 | 100.0% |

The INSTEK SPS-1820 is a versatile and reliable 0-18V DC, 0-20A power supply designed to meet the needs of various applications. This power supply offers a stable output voltage and current, ensuring precise power delivery to your devices.
The SPS-1820 features an adjustable output voltage ranging from 0V to 18V DC, making it suitable for a wide range of applications. The output current can be adjusted from 0A to 20A, allowing you to customize the power supply to your specific requirements. The power supply also comes with a built-in overload protection function, which automatically shuts off the power supply when the current exceeds the maximum limit, ensuring the safety of your devices.
The power supply housing is constructed from heavy-duty aluminum, providing excellent heat dissipation and durability. It also features a compact and portable design, making it easy to transport and use in various environments. The front panel of the power supply is equipped with an LED display that indicates the output voltage and current levels, providing real-time monitoring of the power supply status.
The INSTEK SPS-1820 is also designed with safety features such as short-circuit protection, overvoltage protection, and overcurrent protection. These features help prevent damage to your devices and ensure safe operation of the power supply. The power supply also comes with a detachable IEC cable and a 5-year warranty, providing you with peace of mind and protection against manufacturer defects.
Overall, the INSTEK SPS-1820 is a high-performance and versatile power supply that offers stable output voltage and current, adjustable output levels, and robust safety features. It is suitable for various applications and comes with a compact and portable design, making it an excellent choice for professionals and hobbyists alike.
The Instek SPS-1820 is a 0-18V, 0-20A DC power supply designed for laboratory use. Like any other product, it has its advantages and disadvantages. Let's examine each in detail.
Advantages:1. Adjustable Output Voltage and Current: The Instek SPS-1820 offers a wide adjustable output voltage range from 0V to 18V and a current range from 0A to 20A, making it suitable for a variety of applications.
2. Safety Features: It comes with over-voltage, over-current, and short-circuit protection, ensuring the safety of the user and the connected equipment.
3. LCD Display: The power supply features an LCD display that shows the output voltage, output current, and the status of the protection functions.
4. Remote Control: It has a remote control function that allows the user to adjust the output voltage and current from a distance.
5. Affordable: The Instek SPS-1820 is relatively affordable compared to other power supplies with similar features.
Disadvantages:1. No Constant Current Mode: This power supply does not have a constant current mode, which may be a limitation for some applications.
2. Manual Calibration: Calibration of the output voltage and current requires manual adjustment, which can be time-consuming and less precise compared to automatic calibration.
3. Size and Weight: The Instek SPS-1820 is larger and heavier than some other power supplies in its class, which can make it less portable.
In conclusion, the Instek SPS-1820 is a versatile and feature-rich power supply that offers a wide adjustable voltage and current range, safety features, an LCD display, and remote control. However, it lacks constant current mode, manual calibration can be time-consuming, and it is less portable due to its size and weight.
If the lack of constant current mode is not a deal-breaker for your application, the Instek SPS-1820 can be a cost-effective and reliable option for your lab or testing needs. It offers a good balance between functionality, safety, and affordability.
Details:
Turning the output on/off from external device is available through remote control terminals. Auto control the voltage and current mode. Remote output on/off control. The series of switching power supplies for measuring instrument has ruled out the inconvenience big volume and heavyweight a traditional supply possess.
Remote sensing adds an extra level of precision by compensating cable losses between loads. Dual measurement display. Op protects the sps-series and their load from unexpected conditions. High efficiency.
Photos are greatly appreciated. Over voltage protection. Constant voltage and current operation. 3 outputs with full voltage control zero adjustment for the output of voltage and current the sps-series are single output, 360w, switching dc power supply.
Please consider troubleshooting prior to making a return request. High power density. Instek SPS-1820 - 0-18V 0-20a dc power supply with more extensive range of input voltage high frequency operation can reduce the size power transformer small size, light weight and density entire efficiency rate higher up to 70%.
specifications testmultimeters:
- brand: Instek
- mpn: Sps-1820
- country/region of manufacture: China
offer testmultimeters:
- in stock #: 5
- sold #: 19
- options: ship-to-home
- started: june 5, 2025
- prices: $249.99–$558.00
- item condition:
- Used
- New
- Seller refurbished
- availability: in stock
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
seller testmultimeters:
- rating: 98.4%
- # reviews: 11305
- city: worcester, pennsylvania
returns testmultimeters:
- method: money back
- time: 30 days
- paid by: seller
- policy: returns accepted
shipping testmultimeters:
- transit: 4-7 days
- service: economy
- class: economy
- type: fixed
payments testmultimeters:
- credit card: visa
- wallet: paypal
- other





