Amazon hot sales True large capacity 50000mah power bank 50000 mAh portable power banks with micro, type-C and for iphone inputs

  • Unit Price: Negotiable
  • Brand:

  • Origin:


  • Categories:Batteries
  • Validity Period:

    Long Term

  • Published on:

    2021-12-28 12:43

  • Product Description
  • Company Overview

Product Information









Valid until:

Long Term

Product Details

               - Product Details -            

 Quality Control  

1. Incoming material checking

   All casing must be sorted before in production line;
   Controller, crystal ocsillator must be inspected and tested by AQL level before incoming;
   Battery must be full tested before mounting;
2. Online inspection  

    Online inspection to the printings, package; 

    Full inspection of rechanging, discharging, aging test to the battery cells.


3. Final inspection/ pre-shipment inspection
   Casing came apart. Failed to mount. Corrupted contents will be picked;
   Bad battery will be sorted and returned to the suppliers;
4Besides running these benchmarking tests, we have a record on different vendors     writing down their fail percentages and spotted the excellent suppliers to make sure the product's longevity, durability, manufacturer's reputation.




 Product Parameter 

 Model No.  MD-W501
 Capacity  50000mAh
 Dimension  165*81*50mm
 Weight  1000G
 Led flashlight  with strong LED flash light
 Input  5V/2.1A (Micro & Type-C & for iphone)

 5V/2.1A  (four outputs)

 Color  Black, White
 Material  ABS + Plastic
 Logo  Silk printing, CMYK printing, laser engraved
 Certificate  CE, RoHS, FCC, MSDS
 Battery Type  A grade Polymer Battery
 Supported Devices  Smart Phone / Digital Player / Camera / MP3 /MP4
 Life Time  Over 800 Times

 Neutral Package / Gift Package / Customizable Package



 Trade Assurance  

 Trade Terms  EXW / CNF / FOB / CIF
 Payment Terms  T/T / Western Union / PayPal / Trade Assurance
 Warranty  12 Months
 Delivery  DHL / UPS / Fedex / By Air / By sea
 Sample  Refundable after Order Confirmed



 Leading Terms  

 Sample time  1-2 Days
 100-500 PCS  3-4 Days
 1000-3000 PCS  5-7 Days
 5000 and Above  Please Contact Me for Details

 Product Features  

*  High capacity 50000mah
*  3 inputs + 4 outputs
*  Can be used with various electronics devices

*  LED indicators show you the energy state of the power bank



 Photo display 







 OEM / ODM Service

Logo, color, cable and package are all able to be customizable as your requirements.

> Logo: We can print your own logo or picture on the product, to make it absolutely unique and special for you.

> Color: To make the products in your favorite colors, just for your happiness and satisfaction.

> Cable: Different cables which are compatible with different smart devices are offered for your options.

> Package: We can design the package as your demands.


 Shipping terms

> Express: UPS, DHL, FedEx, TNT and Special Line

> We could also ship the cargoes by air or sea.

> Cargoes are able to be delivered in about 3-8 days.

> The lead time will be 4-6 days after payment confirmed for order of over 1000 pcs.




> Q1: Can I ask for samples before placing an order?
A1: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.


> Q2: How do you ship my cargoes and how long does it take to deliver?
A2: We usually ship your cargoes by express. And it usually takes 3-5 days. Please be patient, we will track the latest delivery information and inform you.


> Q3: What need I do if I want to print my own logo?
A3: First, please send us your logo file in high resolution. We will make some drafts for your reference to confirm the position and size of your logo. Next we will produce 1-2 samples for you to check the actual effect. Finally the formal production will start after the sample confirmed.


> Q4: What is the warranty of your products?
A4: We offer the warranty of 12 months for all products.



 Company Information 

Shenzhen MIDI Technology CO., Ltd. is a professional manufacturer engaged in the research, development, production of power bank, USB flash drive, data cable and other digital accessories. We have the experience of over 9 years in the field of electronic products. Our company has successfully established a comprehensive production, sales and after-sales service system.
MIDI has become the golden supplier on Alibaba for over 7 years. We strive for long-term business relationship with customer from all over the world under win-win strategy.
In the past few years, more than 12 million power banks have been sold to foreign countries. Our products have been sold to USA, UK, Germany, Thailand, Taiwan, HK, Singapore, Malaysia, Philippines, India Indonesia and many other countries around the world.
Our goal is to be a famous company in the field of electronic products and your reliable supplier in China.

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