Adjustable Power Supply, Variable Lab Bench Power Supply

Name: 18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display
Brand: Ransanx
SKU: L001850
Price: 37.99 USD
Availability: InStock

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18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display

$37.99 USD

1. Compact & Portable Design: Small footprint (195×102×80mm), lightweight at only 0.8kg, easy to carry and place on any workbench.

2. Adjustable Output: 0–30V voltage and 0–5A current with precise and stable regulation.

3. 4-Digit LED Display: Real-time monitoring of voltage, current, and power for accurate control.

4. Comprehensive Protection: Built-in overload, short-circuit, and over-temperature protection for safe operation.

5. USB Fast Charging Port: Additional output for charging mobile devices or powering external electronics.

6. Memory Function: Automatically saves last settings after power-off for convenience.

7. Efficient Cooling System: Intelligent fan and ventilation design ensures stable long-term performance.

In The Box: 1 × Adjustable DC Power Supply 30V 5A Unit, 1 × AC Power Cord, 1 × Test Lead Set, 1 × User Manual

18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display

Adjustable DC Power Supply 30V 5A

1. This Adjustable DC Power Supply is designed for precision testing, electronics prototyping, repair work, and educational use.
2. With a compact benchtop design (195×102×80mm) and adjustable output of 0–30V / 0–5A, it delivers stable and accurate power for a wide range of applications.
3. Ideal for engineers, makers, technicians, and electronics enthusiasts who need a reliable and efficient lab-grade power source.
4. Supports constant voltage and constant current operation for different testing scenarios (CV / CC Modes).

Take a Closer Look

18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display 1

18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display 2

18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display 3

Specification

Item	Specification
Product name	Power Supply
Output Voltage	0 ~ 30 V DC (adjustable)
Output Current	0–5A DC (adjustable)
Display	4-digit LED display (Voltage / Current / Power)
Accuracy	± 1%
Resolution	0.01V / 0.001A
Ripple Noise	≤1%
Operating Modes	CV (Constant Voltage) / CC (Constant Current)
Protection	Overload / Short-circuit / Over-temperature
USB Output	Fast charging interface
Input Voltage	AC 110V
Cooling System	Smart fan + ventilation design
Dimensions	195×102×80mm
Weight	0.8kg

Warranty & After-Sales

Many of our products are handcrafted, which may result in minor variations or imperfections. If you experience any quality-related issues withinone year of purchase, we will offer afull refund or a replacement shipment. Please contact our support team with photos or videos of the issue, and we will assist you accordingly.

Technical Support & Resources

User Manual

Certification

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FAQ

1.How can I make a payment?

We currently support the following payment methods:

PayPal: Secure and convenient online payment option.
Credit Card Payments: We accept VISA, Mastercard, AMEX, Discover, JCB, and other major credit cards.
Bank Transfer: If you require wholesale purchases or wish to place a purchase order, please contact us. We will provide you with our bank account details and an invoice for your transaction.

2.How can I use a discount code or get a special discount offer?

Please enter the corresponding discount code in the designated field at the top right of the checkout page and click "Apply." Please note that different discount codes may have varying applicable products, usage limitations, and expiration dates.
For purchase orders, we offer exclusive discounts. Please contact our customer support team at sales@meshnology.com to receive a custom quote.

3.What shipping methods do you use, and how long does shipping take?

We use different shipping methods depending on the destination country.
United States: We use Amazon Logistics, YanWen, and other shipping providers. Delivery times typically range from 3-14 business days.
Other Countries: Shipping methods vary depending on local availability, with most shipments arriving within 7-14 business days.
Please note that shipping times may vary based on the remoteness of the shipping address.

4.What is expedited shipping service?

Expedited shipping is a premium service we offer for faster package delivery.
We work with DHL, UPS, FedEx, and other reliable carriers to ship your order.
For most countries, expedited shipping delivery time is approximately 5-7 business days.

5.How can I return or exchange an item?

Please contact our support team and provide pictures or videos of the product. We will then provide you with the return warehouse address. Once we receive and verify the returned product, we will process your refund or exchange accordingly.

6.How long does it take to receive a refund?

Once we receive the returned product, we will process your refund within 3 business days.
However, your bank may take 1-3 business days to complete the transaction, meaning the refund may not appear in your account immediately and could take a few business days to reflect.