Best selling untra slim cheap portbale power bank 4000mah for smartphones

* High efficient portable power bank

* Super slim design 

* With a precise IC protector to safety avoid over-charging over-discharging and short circuit.

* Suitable for all kinds of mobile smartphones , including sumsung , iphone ect.

1 x Power bank

1 x Micro USB charging cable

1 x English manual

UPS FEDEX DHL TNT door to door service, Also By Sea shipping or air delivery as customers required.

1. Factory Certification: ISO9001 certification.
2. Profession: Our factory has 8 years experience in the line of power bank field.
3. High Quality: Real capacity, new A++ battery, IC protection PCBA, strictly QC tested, through 3 times Aging test before delivery.
4. OEM: Welcome OEM/ODM project.
5. Warranty: 18 months(Aritifical damages are not included).

1. Are you a real manufacturer of power banks ?

Re: Yes , absolutely , we are manufacturer of power banks ,and we support OEM&ODM services over 8 years.

2. Are the power banks real capacity?
Re: Sure, we guarantee 100% full capacity.

3. Can I print my brand or company LOGO on the power bank? What's the MOQ?
Re: Yes , you can , we can produce the products as you need , if you need put logo on it , the MOQ is 500pcs. 

4. Can I do my own design package box?
Re: yes, you can , and we can help you to design it, we have professional designer.

Welcome to contact us for further details!

Contact person: Kelly

Email: ay(at)

Skype: outtos.ay