• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OEM Power Bank
  • Model Number: DEL-0103
  • Dimension: 96*62*6.6mm
  • Weight: 60g
  • Outport: 5V/1A
  • Input: Micro USB 5V 1000mA
  • Socket Type: USB
  • Color: Black, Gray, Pink, Purple, White
  • Product name: smart mobile flast custom power bank charger with 2500mAh
  • Feature: with built in USB cable
  • Certification: CE/FCC/RoHS/MSDS/UN38.3
  • Shell Material: ABS+PC Plastic
  • Warranty: 12 Months
  • Battery: Grade A li-polymer battery
  • Support devices: Mobile Phones Devices
  • Function: charger,gifts
  • Cycle Life: 500times
  • Efficiency: 80-85%
  • Capacity: 2500mAh

Packaging & Delivery

Packaging Details smart mobile flast custom power bank charger with 2500mAh
cardboard box,transparent pvc box,case or customized package
Delivery Time 10-15 days

smart mobile flast custom power bank charger with 2500mAh


Product Nameultra slim smart mobile flat custom power bank charger with 2500mAh
Shell materialABS+PC
Battery typeGrade A lithium polymer battery
Input DC 5V 1A
OutputDC 5V 1A
Cycle life300-500 times
Protection functionover-charge,over-discharge,over-current,short circuit
Working temperature0°C-40°C
Convertion rate80-85%
Working humidity≤90%
Storage temperature-10°C -25°C
Product Image:
Packaging & Shipping

Package options:paper box,transparent pvc box,case or customized package

 Shipping ways:

1. For sample order or samll order quantity,we usually ship them by Express like UPS,Fedex,TNT,DHL,it will take 3-5 days

2. For urgent big order quantity,we normally ship them by air,it will take 5-7 days

3. For big order quantity,but it is not urgent,we normally ship them by sea,it will take 30-45 days


Our Services

Why choose our factory?


1.Our factory has more than 10 years in lithium ion battery and power bank field

2. On-time leadtime

3. Excellent after sales service(if there are some quality problem,then we will replace new one for you)

4. Welcome OEM/ODM order

5. 100% protection for the product quality,one by one test before shipment

6. Certifications:CE,ROHS,FCC,PSE,MSDS,UN38.3 test report

7. Our professional sales team will reply and solve your problem within 24 hours

8. We can provide the logo printing service(silkscreen printing;color printing,laser and engarved printing.,etc)



Company Information

 Shenzhen Delong Energy Technology Co.,Ltd has specialized in producing the rechargeable lithium ion battery and power bank for years,we have own factory and R&D department,our professional engineers and designers can provide you new ideas and help you to develop a new products.Our skilled workers can make sure the high quality products and our professional sales team can reply and solve your problem soon.


Quality control:


1. All raw material and accessories must be checked or tested before entering products facilities, all unqualified materials are immediately rejected. 
2. We provide quality control testing and analysis for each product line. 
3. Workers manufacture products in accordance with provided technical document. The first several products of each day will be checked first by the worker, then by our full time QC inspector. Mass production will began only if the products have been tested and have passed inspection.
4. During mass production, QC will periodically check products to ensure randomized testing.
5. Our QC team completely a tour of inspection and parts are spot checked before they are able to move on to the next phase in production.
6. Finished products are checked to determine their quality level.
7. Quality feedback from the marketing department is rapaidly and efficiency, delivered to the QC and technical departments, allowing design improvements and corrections to happen as quickly as possible.









Q: Are you a factory or trading company?

A: We are professional power bank factory in China,with R&D department, whole production line,QC department, sales team and after-sales branches.To know more about us,please kindly check our website.



Q: How about your packages? Can we put our logo or print on the packages?

A: Our regular packages are neutral blister packing without logos, OEM/ODM are welcome in our factory, so we can print on your logo or print by silk printing, etc. For further details, please send us an inquiry.


Q:How many times can this appliance charge for my mobile phone?

A:1-1.5 times for iphone4 mobile phone


Q:How long will this appliance take to charge my mobile phone full?

A:Approx:1 hour


Q:How long will the power of battery of this appliance remain?

A:3-6 months,however,we suggest you recharge it every 3 months


Q:How about the warranty for this appliance?

A:one year warranty


Q:Does your appliances pass some certificates?

A:Yes,some of our products have CE,ROHS,FCC,MSDS and UN38.3 certificates.


Q:How do you usually ship the goods?

A:We usually ship the goods by sea,air or international express like DHL,UPS,Fedex,TNT,EMS.,etc


Q:How about your products quality?

A:All of our power banks with Grade A 18650 lithium ion battery or lithium polymer battery and with real capacity


Q:How about the leadtime?

A:for samples,the leadtime is only 2-3 days;for large order quantity,the leadtime is about 10-15 working days after payment or deposit

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
Trade Assurance
China (Mainland)
Transaction Level:
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
Learn More