OEM/Private Label ultrathin 4000mah usb portable power bank battery

5V/1A

Advantage

1.OEM and ODM 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 if you don't like it 

9.Package Detail: Neutral package and warm welcome customized.

Who choose our factory:

 1. Our Factory has 6 years experiences in the line of power bank domain.

2. Absolutely prompt delivery time.

3. Welcome OEM/ODM Project.

4. Warm welcome widely clients all over the world trial order from us.

5. Our team always persist 3 B,that is Best quality,Best price ,Best service

Charging Method:

 1.Charge for mobile phone: When the power bank is charged full, connect the USB cable with you power bank and your phone, then your phone will be charged.

2.Charge for Power Bank: Connect the USB cable with you power bank and the computer, then it will be charged

Instructions:

1.Use the device according to the safety instruction. Failure to follow in instructions might lead to fire or damage to the device.   

2.Do not drop, short circuit, disassemble, or operate under high temperature conditions and water. 

3.Please keep it out of the reach of children, intended for adult use only.

How to buy ?

1. E-mail us with the Power Bank quantity and capacity you're interested in .

2. Get quotation from us (we would reply to you with prices within 1 working day);

3. Place an order: we will draw an artwork design for your reference if you need logo printed, and a mass production sample for your comfirming, and then start mass production according to the confirmed sample;

4. Arrange delivery and send tracking number to you;

5. Customer receive the goods and give us feedback. 

Production process: