5200mah 5V 2.1A cell phone power bank for blackberry z10

 Package: 

1 x 5200mAh Power Bank Emergency Battery Charger 

1 x USB-Micro USB Cable

1 x Plastic box

customized paper box/retailer package/blister package is rechargeable

Shenzhen KaiShengDa Electronic Co., Ltd. is an individual enterprise, professional in production and processing of power adapters and other products. It is headquartered in Shenzhen, and also has a complete and scientific quality management system. Its integrity, strength and quality are recognized by others.All of you are welcomed to visit our factory, guide and do business negotiation with us.

Q1. what is the warranty?

       --2years.

Q2. what about the after sales services?

       --if the product has quality problem in 2 years, you can send it back,

         we will repair it or change a new one for you.

         and we both sides will share the shipping.

Q3. samples free?

       --commonly 1-3 samples are free for you.

          customized sample is rechargeable both sample and logo fee

          shipping is not free.