Product:  4000mah power bank

capacity: 4000mAh
battery:: A grade Li-polymer battery
material: ABS+PC
Input: 5V*1A
output 1: 5V*1A
output 2: 5V*2.1A
product size: 118*65*9mm
use of time: more than 500 times
product weight: 110g
color: black, white

CE ,RoHS,FCC,C-tick,BSMI certifications.

- Trial order or SAMPLE TESTING could be accepted.

- Fast delivery and top quality.

- Professional after-sales service.

- Welcome to OEM/ODM order.

- Factory supply directly, cheap price,quality assurance.

- Mix - color for your choose.

- Always pay attention to quality and new products.

Our advantages: -  4000mah new power bank

OEM service provided

Safety: It can avoid overcharge, over discharge, short circuit, etc with multiple protection system.

Capacity: It can customized capacity according to customer request.

Quality: All our products must be strictly tested before delivery.

Fashion and convenient: It easy to carry and you can use anytime and anywhere.

Wide using range: It can work Smart cell phone Tablet, Mp3, Mp4 etc.

Low Price : Factory directly wholesales. low profit.

Warranty: 1 year warranty.

Package Detail: Neutral package and welcome to customized, free artworks design.

Except new power bank best selling products in america dual usb slim powerbank, we have more mobile accessories for you, welcome to enquiry, thanks.