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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: DELONGTOP
  • Model Number: DEL-0144E
  • Dimension: 87*58*10mm
  • Weight: 120g
  • Capacity: 4001-5000(mAh), 4000mah
  • Outport: 5V 1A
  • Input: 5V 1A
  • Socket Type: USB
  • Color: Black, Blue, Red, Silver, black,blue,silver,red,green
  • USB Port: Single USB Port
  • Battery Type: Polymer Battery
  • Features: led torch light
  • Battery type: Li-polymer battery
  • Case material: Aluminum alloy
  • Warranty: one year
  • Competitive Price: direct factory's price
  • Fast leadtime: 10-15 business days
  • Good after sales service: can replace new one or repair them for free within warranty period
  • Product name: 4000mah metal ultra slim power bank
  • Support devices: Smart Phones/ipod/ipad/mp3/mp4/bluetooth

Packaging & Delivery

Packaging Details standard export carton
Delivery Time 10-15 working days after payment or deposit

portable metal ultra slim power bank 4000mah

Product Description




Capacity:  4000mAH  A Grade li-polymer battery

Appearance material: aluminum alloy (slivery, black)
Input Voltage:5V 1A
Output:5V 1A
Charging Time:4-5hours
Lifecycle:500 times;       LED torch light function 
Size:       87*58*10mm           weigh: 120g
Application : all brand of smartphones , digital cameras , electronic products ...
Smart Protection function: short circuit, over-current,over charge/discharge , over voltage


Packing details : One Power Bank ,single usb charging cable,  one package


Payment Way :T/T,Western Union, Paypal


 Warranty: one year




  Product show


Packaging & Shipping

 Optional package:white box,pvc box,case or customized package

Shipping ways:for samples,we normally ship them by Express like UPS,Fedex,TNT,DHL,door too door servic;for bulk order,we normally ship them by air or by sea


Our Services


1. Our professional sales team will reply your inquiry or questions within 24 hours

2. Strict Quality Control:All of the power banks and accessories must be strictly tested by QC department before shipping.

3. Our design team can help you to design the logo and package,we also can do many kinds of logo printing

4. Small Quantity Acceptable: No MOQ Limit before bulk orders.

5. We can help you to track the goods status until you well received them 

6.Good Aftersales Service:Any questions on technical issues,welcome to contact us anytime.We will help you solve at first time


Company Information


  Certificates and factory show:


Our  Advantages:



1. Full set of automatical equipments  providing high qualilty controlling system on our purducts.


2.   Enough battery model will be available , we can make all of the battery strictly in according to your design's requirement .Please let me know your design if you have it


3.   We are focusing on the manufacture ,rearch, and sales of lipo battery which ranges from portable power bank,Electric

heated jacket/gloves, E-bike batteries etc.


4. OEM & ODM are welcome





1.Q:Can we order some samples to test before I place order?
    A:Sure,we can send 1 or 2 free samples for your testing,but your side need to pay the shipping cost.
2.Q:What is your payment methods?
    A:We can accept  L/C,T/T,Western Union and Paypal.
3.Q:How about the leadtime?
    A:3-5 days for samples;15-20 days for mass production.
4.Q:How do you deal with the defective items?
    A:If it is quality problem and within warranty period,then we will replace new one for you with next order.
Transaction History of the Supplier

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Transaction Details

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China (Mainland)
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Supplier Assessments:
14 Transactions 30,000+
The supplier’s transactions conduted 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 $150,000
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