---
product_id: 339109805
title: "LONGWEI DC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord Used for Spectrophotometer and lab Equipment Repair (Black)"
brand: "longwei"
price: "€ 146.50"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/339109805-longwei-dc-power-supply-variable-30v-10a-4-digital-led
store_origin: ES
region: Spain
---

# 30V/10A high power output 4-digit LED precision display Intelligent temperature-controlled cooling LONGWEI DC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord Used for Spectrophotometer and lab Equipment Repair (Black)

**Brand:** longwei
**Price:** € 146.50
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your innovation with precision and confidence!

## Quick Answers

- **What is this?** LONGWEI DC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord Used for Spectrophotometer and lab Equipment Repair (Black) by longwei
- **How much does it cost?** € 146.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/339109805-longwei-dc-power-supply-variable-30v-10a-4-digital-led)

## Best For

- longwei enthusiasts

## Why This Product

- Trusted longwei brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Lightweight and space-saving design perfect for any bench or workspace
- • **Cool Under Pressure:** Smart fan and heat dissipation design for silent, reliable operation
- • **Ready Out of the Box:** Complete kit with leads, cords, and lifetime tech support for seamless setup
- • **Safety First, Always:** Built-in multi-layer protections to safeguard your projects and workspace
- • **Precision at Your Fingertips:** Ultra-fine 0.01V/0.01A adjustment for lab-grade accuracy

## Overview

The LONGWEI DC Power Supply Variable 30V 10A is a compact, high-precision benchtop device featuring a 4-digit LED display for accurate voltage and current control. It includes advanced safety protections and intelligent cooling for durability and quiet operation, making it ideal for lab, repair, and DIY electronics applications. Comes complete with all necessary cables, test probes, and backed by 12-month warranty and lifetime support.

## Description

Full description not available

## Features

- 【High Precision with 4-Digit and Power Display】LONGWEI 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
- 【High Quality with Essential Safety】Safety is our priority. Grounding wire, The power supply takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!
- 【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.( When the internal power supply reaches a certain temperature, the fan will automatically turn on for heat dissipation)
- 【Compact and Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements thanks to complete test probes and output cable with alligator clips.
- 【What You Get & SERVICE】1 x K3010D DC power supply, 1 x output power cord, 1 x Input power cord, 1 x test probes, 1 x User manual. (Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support.

## Product Details

- **Brand:** LONGWEI
- **Color:** Black
- **Material:** Aluminum
- **Connector Type:** Barrel Connector
- **Input Voltage:** 240 Volts (AC)

## Images

![LONGWEI DC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord Used for Spectrophotometer and lab Equipment Repair (Black) - Image 1](https://m.media-amazon.com/images/I/61Nnzxs4BgL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.es/products/339109805-longwei-dc-power-supply-variable-30v-10a-4-digital-led](https://www.desertcart.es/products/339109805-longwei-dc-power-supply-variable-30v-10a-4-digital-led)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-16*