2016 Newest ultra thin customized design logo 4000mah portable natural wooden power bank

     2016 Newest ultra thin customized design logo 4000mah portable natural wooden power bank

• strict quality control system and professional R&D department 
• All battery be in explosion-proof desgin
• All power bank be in anti-over charge design
• two charge-discharge cycle test , aging test, 100% pre-tested before leaving the factory
• 1:1 replacement for any defective caused by our factory
• Specialized power bank manufacturer with 6-years experience
• Excellent customer service and technical support.

                   customized design logo 4000mah portable natural wooden power bank

Contact us 

• If you have any questions please email or chat on trade manager

• We will respond within 1 business day or less. Please include your item number or order number or link in all communications.

Any OEM logo acceptable, free sample service, Live an inquiry to know more details about price, package, shipping and discount.

Welcome customized color, design, package, logo 

Welcome to visit my company website, we will provide the service of the superior quality for you.

Q1. How does your factory do regarding quality control?

A1: Quality is priority, and we always attach greatest importance to quality control from the start to the end.

Q2. How long will the power bank is used?

A2: With in-built high capacity Li-on battery, the power bank can be charging more than 500 times. It will be more than 2-3 years for the using lifetime with a daily frequency count on one charge.

Q3. Will any damage or security risks be caused when customers using power bank?

A3: NO! The power bank using a high-quality batteries and circuit safety equipment, all of power bank are with approved of CE/ROHS/FCC.

Q4. Is there any tests before the delivery?

A4: All products are 100% QC before delivery, doing two recycle Charge-discharge test, approximately 20-30 hours.

Q5. How is about the warranty and after-sales services?

A5: All of our products' warranty is more than 1 year. We can exchange goods for free if it is due to quality problem in warranty's period.

Q6. What is the arrival time?

A6: For Sample is 3-5 working days, mass production time is 7-15 working days for bulk order less than 3000pcs.