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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: DELONGTOP
  • Model Number: DEL-0237
  • Dimension: 110*45*12mm(L*W*T)
  • Weight: 105g
  • Capacity: 4001-5000(mAh)
  • Outport: 5V/1A
  • Input: 5V/1A
  • Socket Type: micro usb, Micro USB
  • Color: Black, Blue, Golden, Pink, Red, Silver, blue,golden,red,pink.,etc
  • USB Port: 1 USB Port
  • Battery Type: Polymer Battery
  • Features: Convenient
  • Product name: portable rohs ultra thin power bank 4000mah
  • Type: USB Universal Portable Power Bank
  • Support devices: Smart Phones/ipod/ipad/mp3/mp4/bluetooth
  • Material: Aluminium Alloy
  • Convertion rate: 80-85%
  • Competitive price: direct factory price
  • High quality: real capacity and Grade A li-polymer battery cell
  • Certification: CE/FCC/RoHS/MSDS/UN38.3

Packaging & Delivery

Packaging Details Standard export carton
Delivery Time 10-15 days
Product Description


Battery typeGrade A li-polymer battery 
InputDC 5V 1A
OutputDC 5V 1A
Net weight105g
Housing materialaluminum
Charging time4-5 hours
Power transfer rate80-85%
Battery lifespan500 times
Warranty12 months
High safetyover-charge,over-discharge,over-current,short circuit protection
Support devicessmartphones,mp3/mp4,GPS,digital camera,PSP and other 5V digital products



1. With Grade A li-polymer battery cell which is more safe,it can't explode
2. More colors available to choose
3. Aluminum casing with small size,it is convenient to take when you on business trip or go to travel
4. There is no need to charge your devices through an electric outlet
5. Long lifespan,high convertion rate
6. Three LED power indicators which can show the remaining power 
Packaging & Shipping


Power Bank*1
User Manual*1
Optional package:blister box,white box,PVC box,case or customized package
Shipping ways:
1. By express like UPS,Fedex which will take 3-5 days to be arrived
2.  For mass production,we normally ship them by air which will take 5-7 days or by sea which will take 30-45 days
Our Services


1. Our professional sales person will reply you within 12 hours
2. Our design team will help you to desing the logo,we can help you to print the logo on power bank or on package
3. Our QC team will test the power bank and accessories one by one before shipment
4. If there are some quality problem,we can replace new one for you
5. We can gurantee on-time shipment,and help you to trace th goods status until you received them
6. We will send updated catalogue to you when we have new items
Company Information

 Shenzhen DeLong Energy Technology Co., Ltd.(Dlongbattery) is a professional new energy supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide ,it was established in 2006 and becoming the leading player in the new energy field through several years development .Delong company integrates the cell manufacturing and offer of power solution in according to different application purpose ,our product are widely applied on:common digital devices battery , high discharge rate battery,powerful electric vehicles battery ,low and High temperature lithium ion battery ,power storage and back-up battery pack etc.  



1.Q:Are all of your power banks real capacity?
   A:Yes,all of our power banks with Grade A lithum ion battery and real capacity.
2.Q:Are you trading company or factory?
    A:We are professional manufacturer,welcome to visit our factory.
3.Q:Can you provide samples before placing order?
   A:Yes,we can provide 1 or 2 free samples for your testing,but your side need to pay the shipping cost.
4.Q:How do you ship the power banks?
   A:We normally ship the goods by Express like UPS,Fedex,by air or by sea.
5.Q:How about your payment terms?
    A:We can accept T/T,MoneyGram,Credit Card,Paypal or Trade Assurance on Alibaba.com.30% deposit and balance before shipment or after copy of Bill.
6.Q:What is your leadtime/
   A:3-5 days for samples;15-20 days for mass production.
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 .

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Transaction Value
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
13 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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