30V 5A Adjustable Digital DC Power Supply 110V LED Display - NeedBrightLife
30V 5A Adjustable Digital DC Power Supply 110V LED Display - NeedBrightLife
30V 5A Adjustable Digital DC Power Supply 110V LED Display - NeedBrightLife
30V 5A Adjustable Digital DC Power Supply 110V LED Display - NeedBrightLife
30V 5A Adjustable Digital DC Power Supply 110V LED Display - NeedBrightLife
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  • SKU: 13026131
  • Availability:Out of stock

30V 5A Adjustable Digital DC Power Supply 110V LED Display

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Come to our QW-MS305D 30V 5A Adjustable DC Stabilizer Power Supply (US Standard), which will help you a lot in adjusting power supply. Made of high-quality materials, this power supply features high strength that it is durable in use. For professional design, this power supply performs well on stability and reliability. Designed with 4pcs potentiometers, it offers high precision and stability in adjustment. In addition, with small size, it is also easy to install and use. It is worth having!
  • Portable size, practical and convenient to operate
  • Auto shift between voltage stabilization and current stabilization
  • It has rather low ripple voltage
  • LED screen displays output voltage and current
  • Selectable over-current protection, widely applied to daily fields
  • Adjustable design could meet your various demands
  • With 4pcs potentiometers, respectively for output voltage and output current
  • High precision and stability
Model QW-MS305D
Rate Output 0¡«30V,0¡«5A
Dimensions (10.15 x 4.96 x 6.18)" / (25.8 x 12.6 x 15.7)cm(L x W x H)
Weight 65.05oz / 1844g
Display 3 LED Display
Adjustable Yes
Plug U.S Standard
Input Voltage 220V¡À10%,47¡«63Hz / 110V¡À10%,47¡«63Hz
Working Conditions -10¡桫40¡æ
Storage Conditions -20¡桫80¡æ25.8
Working Relative Humidity £¼80%
Storage Relative Humidity £¼80%25.8
Power Effection CV¡Ü0.05%+1mV,CC¡Ü0.05%+10mA
Load Effection CV¡Ü0.1%+5mV,CC¡Ü0.1%+10mA
Ripples & Noises CV¡Ü10mV(RMS),CC¡Ü20mA(RMS)
Package Includes
  • 1 x DC Power Supply
  • 1 x Power Line
  • 2 x Test Line
  • 1 x User Manual
Extra Info

User Notice:

Be sure to adjust the rear button to a proper voltage for working performance,

or it will cause damage to machine. For any damage caused by user¡äs false use, we assume no responsibility.

Under normal condition, the USA voltage is 110V, the specific use depends on real demand.

We offer shipping service for all items online to most countries of the world.

Order will be shipped out in 2-7 working days normally, exculde big holidays and irresistible factors.

Shipping Methods

Orders are shipped directly from our warehouse in HK or US, in plain brown boxes with envelopes.

When in stock, Shipped on the same day; Out of stock, Shipped within 3-7 days. Orders are shipped Monday to Sunday. 

We do everything we can to make sure your order is delivered on time.

Ship From Ship To

Delivery Time

Standard Shipping Cost
United States Warehouse U.S. domestic 2-7 Free shipping
Remote Region(US) 4-11 $25.68
China Warehouse United States,Canada, United Kingdom,Spain, Australia, France, Germany, Mexico, India, Netherlands 15-30 Free shipping
Other countries 25-40

Tracked Shipping

Note: Delays may occur during this holiday season due to large volume of deliveries. This means it can take an additional 1-4 weeks in the delivery time. If you don't want to risk your orders being delayed, reply to this email within 12 hours of your purchase and let us know that you want to cancel.
You must be aware that delays can occur due to holidays and unforeseen events.

Orders are sent out through regular shipping. If you wish to have them sent with insurance coverage or through express delivery, email us first at service@dinointhebox.com before purchasing. We will give you the quotation.

Out of Stock Items

While we make every effort to keep all listed merchandise in stock, occasionally we are sold out of a certain item. If we are out of stock on an item you have ordered, we will send you an email update as quickly as possible. It will then be your choice to proceed and keep the order in place or cancel it. Items are not charged to your credit card until they are shipped.

We can not cancel your order when it's already shipped.

We use 3rd party couriers to deliver the orders. If you purchase with us you understand that there's risk of parcels getting lost. We only refund orders that have proof that they were not received.

We use 3rd party tracking systems to track orders and if the website states that your order was delivered then we will go by it. Only when the state, city or zip code from your tracking number is not consistent with your inputted shipping details, we will offer the refund. No exceptions.


If the product you received is damaged or incorrect , please contact us in a timely manner with related photos or a specific video. You could request either a full refund or a replacement item once our factory confirm that. 
Customers will only be charged once at most for shipping costs (this includes returns); No-restocking to be charged to the consumers for the return of the product.

All return requests for unwanted items must be made within 14 days of receiving the order. Kindly keep it neat and in its original packaging.
If you need to return an item, simply email us including your order number, reason for return and it would be great if related pictures could be attached. We will then provide you with instructions and a return address to ship your set back. All returned items will be inspected to see if you qualify for a refund.

You should expect to receive your refund within three weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (1 to 3 business days), and the time it takes your bank to process our refund request (3 to 5 business days).

Should you have any further concerns, feel free to email us at service@needbrightlife.com. We're here to help!