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Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack

Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack

Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack

Product Details:

Place of Origin: MADE IN CHINA
Brand Name: Delong
Certification: CE, ROHS, MSDS, UN38.3
Model Number: DL-405PP

Payment & Shipping Terms:

Minimum Order Quantity: 50
Price: negotiation
Packaging Details: Plastic package, White box
Payment Terms: T/T, Western Union, Paypal, Cash
Supply Ability: 200,000pcs per month
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Detailed Product Description
Product Name: Polymer 4000MAH Power Bank Material: ABS
Capacity: 8000mAh Input: DC 5V/1A
Output: DC5V/1A Socket Type: USB
Charging Port: Micro USB Color: Black,Yellow, Red, Blue
Weight: 120g Unique Feature: Slim Size Rugged Surface Power Bank
Function: Extral Battery Charge For Mobile Phone Application: Mobile Phones, MP3/MP4 Player, PMP, GPS, Bluetooth, Digital Camera, PDAs , MID, Handheld Game Consoles(PSP) Etc


Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack




Item No. DL-405PP
Battery Capacity 4000mAh
Input (DC) 5V/1A
Output (DC) DC 5V/1A
Material ABS casing
Socket Type USB
Charging Port Micro USB
Battery Type A grade li polymer 
Color Black, Blue, Yellow etc
Unique Feature Rugged surface case 
Battery Charging Indicator Yes
Function Extra battery charge for smarphone 
Accessories 1 micro usb charging cable and per client's requirements
Support Devices

Mobile phones, MP3 player, PSP, GPS, Bluetooth, 

Digital camera, PDAs, MID





  1. Ultra slim 4000mah polymer power bank
  2. Fashion rugged surface design
  3. 4 led battery power indicators display how many battery power left
  4. Easy to carry, perfect for gift promotion use
  5. Using switch button design, press one time, battery power display;
  6. Leather abs casing
  7. Intelligent IC control can indentify your devices current automatically via charging cable
  8. With four functions protection of over-charge,over-current,over-voltage and short-circuit.
  9. Grade A battery maximise the power bank performance in a perfect way






Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack


Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack




Package and shipping:


Optional package: Color paper box, PVC box, Cases, Transparent crystal cases, white netraul box.
Carriers: By express: Like DHL, UPS, FedEx; by air or by sea; Special line



How to place order:


1. Please kindly advise the items, quantity and other detail request about your order
2. After proforma invoice confirmed, the order will be arranged upon receipt of your deposit payment.
3. Confirm and ship the goods , the tracking number will be sent to your promptly
4. Our sales representative will help to tack your goods until you receive them well.
5. we will send  customer satisfaction survey form to you ,appreciated get feedback from you about the quality, service, market feedback
and others


Company Information:


Establised since 2006, Delong Energy Technologgy Co.,LTD is a modern enterprise, which specialized in new products researched and development, sales and trade. Delong Energy Tech has 2 business line, one is for finished product, another area is semi-finshed product.
And the main products includes:  Power Bank, Li-ion battey cell and pack , Li-polymer cell and pack etc.


Welcome to contact us for further details about our company and products!


Contact person: Jenny
Mobile:  +86 136 0302 8413
Wechat: +86 13603028413




Why choose Delong?



Focus on Batteries industry 15 Years



25 professional engineers who has worked with us more than 10 years now


Full Equipments

Full automatic machine:  20 sets plastic injection machines, 1 large batteries aging test centre,  1 independent R&D office site.


Good Service 

one stop serive from housing, PCBA, batteries, assembling, package shipping. 



Competitive price make you profit maximization



OEM and ODM can be acceptable


Quality Control

Best quality contral, the defective rate is within 0.01%





Q1:  How fast can i get the quotation ?


A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the

     price, please call us or tell us in your email so that we will regard your inquiry priority. 


Q2:  How long will it take to deliver goods?


A: We will deliver the goods within 3- 5 days for spare parts, other goods maybe take a little 

     more times to test and prepare,we will deliver the goods within the deadline which both

     parties agreed.


Q3:  What kind of packaging you offer?


A: Color window box, Plastic box,Blister Package, White box, Gift box,Tin box, Glass Box, 

     ECO-package etc. OEM package is available !


Q4:  What kind of logo files do you accept for printing logo ?


A: PDF, Core Draw, AI .


Q5:  How can I get a sample to check your quality? 


A: Generally speaking, Free sample is available. While some samples need to pay, But the 

     sample cost can be refundable after order confirmation


Q6:  How about the warranty policy ?


A: 1. all of our products give 1 year warranty

     2. man-made destory will be exception

     3. Any problem, we will send the replacement for free. 


Smartphone Ultra Slim Rugged Power Bank 4000mAh External Battery Pack

Contact Details
Shenzhen Delong Energy Technology Co.,LTD

Contact Person: huangzusu

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