4000mAh Ultrathin Pocket Black Power Bank For Laptop / MP3 / MP4

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Competitive Advantage: 

 

 1. OEM service provided

 2. Safety:It can avoid overcharge, over discharge, short circuit, etc with multiple protection system.

 3. High capacity:It can customized capacity according to customer request.

 4. High quality: All our products must be strictly tested before delivery.

 5. Fashion and convenient: It easy to carry and you can use anytime and anywhere.

 6. Wide using range: It can work Smart cell phone Tablet, Mp3, Mp4 etc.

 7. Low Price : We are professional power bank manufacturer, we can provide you low price and assure 

the quality and delivery time.

 8. Warranty: 1 year Products can be returned or exchanged.

 9. Package Detail: Universal package or customized package according to your requests.

 

Specifications:

 

Compatible Models

All devices with USB charging cable

Battery Type

Li-polymer battery

Nominal Capacity

4000mAh

Battery Actual Capacity

4000mAh

Capacity Range

4000mAh

Input Voltage

DC 5.0V

Output Current

1A

Output Voltage

DC 5.0V

Charge time

2-4 hours

Working temperature

-10--55 degree

Circle times

>500 times

Plug and play

yes

Color

black, white, pink, golden, blue

Safety protection

over-current, over-heat and over-voltage

 

 

Features:

  1. The design of lightweight, small, convenient to carry.
  2. Power bank for mobile phones,MP3, MP4 or other digital products.
  3. Digital power specially designed for all cellphones to avoid over-charging or damaging your phone.
  4. Integrated smart chip provides full protection against electric overload.
  5. Steady high-current output ensures charging efficiency and safety.
  6. Suitable for company gift, sales promotion usage.
  7. LED lighting.

Travel External Battery 4000mAh Mobile Portable Power Bank For Smartphones

 

 

Functions:

 

     1. Guaranteed  18650 batteries, safety care for digital devices.

     2. Portable compact, easy to carry.

     3. Intelligent circuit protection, perfect to protect your devices.

     4. Smart technology, instant plug and play

     4. Available when dinner, travel, games, food, etc 

 

 

Why choose us?

 

1. We are China leading power bank manufacturer.

2. 100% QC inspection before shipment.

3. Best quality & service with competitive price.

 

 

How to Order power bank?

1. Please tell us the model and quantity and other request.
2. Proforma Invoice confirmed, the order will be arranged upon receipt of your payment.
3. Confirm and ship the goods, then tracking number will be sent to you promptly.
4. We will help to track your goods until you receive them safely.


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Mr. Cherry
Tel: 86-755-33127895
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Shenzhen Yiwerder Electronic Technology Co., Ltd.
NO.15 Building, No.1 Industry Zone, Minzhi, Shenzhen, Guangdong, China (Mainland)
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