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DC Power Supply, 0-30V/0-5A Adjustable High-Precision 4-Digit LED Display with Output Button and 18W USB Port Laboratory Power Supply for Labs Electronics Repair DIY
Wanptek

Wanptek DC Power Supply

Bottom line: The Wanptek DC Power Supply is a specs-and-price decision rather than a crowd-consensus one in the accessories category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by Wanptek's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored Wanptek DC Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. Wanptek's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Product Dimensions & Weight: The MN305 series DC power supply measures just 16 x 10 x 8 cm and weighs 0.7 kg. It delivers output within the DC 30V 5A range, with a maximum output power of 150W, enabling sustained full-load operation.
  • AC 110/220V Automatic Voltage Selection: To accommodate different input voltage requirements, this power supply features automatic voltage selection between 110V and 220V. It supports operation across multiple voltage modes, reducing the risk of equipment damage or voltage mismatch issues.
  • Output Switch and Encoder Adjustment: With output control buttons integrated into a compact design, you can easily turn the device on or off. The bench-top adjustable power supply features an encoder knob that allows you to quickly set the exact value you need, making your work more seamless.
  • Automatic Constant Voltage/Constant Current: The output mode is determined by the user-set voltage and current values, as well as the size of the connected load. The power supply’s output will not exceed the set values. This power supply supports long-term operation at full load, with a maximum voltage of 30V and a maximum current of 5A.
  • USB Fast Charging Port: The laboratory power supply is equipped with 18W USB-A fast charging port, allowing you to charge your electronic devices while conducting product testing.
  • You will receive: MN305 switching power supply*1, US-standard AC power cord*1, output test leads*1 pair, user manual (English)*1. We offer a 24-hour response policy to promptly resolve any after-sales issues.

Full Specifications

BrandWanptek
Weight0.7 kg
Amperage5 A
Dimensions16 x 10 x 8 cm
Unit Count1 Count
Form Factorbenchtop
ConnectivityUSB
Model NumberMN305
CompatibilitySwitch
Maximum Power150 watts
Built-In MediaMN305 Main Unit*1, User Manual*1, Output Cable*1, Power Cord*1
Output Current5 A
Output Voltage30 volts_of_direct_current
Output Wattage150 watts
Mfr Part NumberMN305
Full listing titleDC Power Supply, 0-30V/0-5A Adjustable High-Precision 4-Digit LED Display with Output Button and 18W USB Port Laboratory Power Supply for Labs Electronics Repair DIY

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DC Power Supply, 0-30V/0-5A Adjustable High-Precision 4-Digit LED Display with Output Button and 18W USB Port Laboratory Power Supply for Labs Electronics Repair DIY is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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DC Power Supply, 0-30V/0-5A Adjustable High-Precision 4-Digit LED Display with Output Button and 18W USB Port Laboratory Power Supply for Labs Electronics Repair DIY
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