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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Witkey
  • Model Number: SP-161
  • Dimension: 153*60*25mm
  • Weight: 350G
  • Outport: DC5V/1V
  • Input: DC5V/1V
  • Socket Type: USA/EUO/UK
  • Color: Black, White
  • Name: power bank 20000mah
  • Type of battery: Lithium-ion or Polymer battery (A grade)
  • ransportation temperature: -20°C-45°C
  • Conversion rate: over 90%
  • Battey charge time: 3-4 hours
  • Warranty: 1 year
  • Customize logo service: Yes
  • Colour: white
  • Type: Travel
  • Use: mobile power bank
  • Capacity: 20000mah

Packaging & Delivery

Packaging Details gift box packing, metal case packing, carton box packing, customized packing
Delivery Time 5-7 working days for order


  power bank 20000mah Pic                                                     






Product Description



1. Easy to use
2. Any time for your solution to power trouble
3. Brand new with high quality
4. Easy to charge with different interface accessories
5. Long cycle life,rapid charge
6. Durable with lightweight
7. Safe, reliable and stable,perfect for using on travelling and outdoor activities.  

We Promise:


1. All products is Real and Full capacity , fake one lose ten.


2. All battery be in explosion-proof desgin


3 All power banks passed two charge-discharge cycle test , aging test before sending


4. All power bank be in anti-over charge design.


Hotteset mobile  power bank for your reference                                       

power bank 20000mah  Flyer :






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Our Services


1. Custom logo and package:




QTY/CTN:48PCS CTN Size;41*42*32 31*31*23CM

Blister package is our Normal package we can offer the gift box and customized the logo for you!





1. connector is not firmly in connect with the USB port

The loosen of usb port maybe caused by many times` plug during use. You can be sent back to the factory if in warranty. if not, you will need to pay the cost of replacement parts .


2. How is the quality about your power bank ?

All our power bank will accord with:

* CE ROHS FCC SGS  certification
* Pass aging test 
* Pass over-charge protect test 
* Explosion-proof design 
* 1 year warranty
3. Which kind of battery do you use ?
For power bank , we use Li-polymer battery or Li-ion battery which is both safe for using.
4. which kind of package do you use ?
For powe bank , we use colorful blister box . Client also can custom package they like

















Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland)
Transaction Level:
Supplier Assessments:
4 Transactions 90,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $33,000
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