Product  Features:

* High efficient PCBA, Grade A++ battery.

*  With 4 LED power indicators

* LED flashlight power indicators to show  backup battery power bank 4000mah power status.

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

*  backup battery power bank 4000mah suitable for all kinds of mobile phones and digital products with DC 5V input.

Packing included:

 1 x  backup battery power bank 4000mah

1 x Micro USB charging cable

1 x English manual

Shipping:

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

Our Advantages:

1. Factory Certification: ISO9001 certification.
2. Profession: Our factory has 8 years experience in the line of  backup battery power bank 4000mah 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 for backup battery power bank 4000mah
5. Warranty: 18 months(Aritifical damages are not included).

Why choose us?

1. Are you a real manufacturer of power banks ?

Re: Yes , absolutely , we are manufacturer of  backup battery power bank 4000mah ,and we support OEM&ODM services over 8 years.

2. Are the power banks real capacity?

Re: Sure, we guarantee 100% full capacity for  backup battery power bank 4000mah .

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.