Wholesale Custom CE ROHS Mini Slim powerbank 3000mAh 4000mAh Portable Power Bank

We are professional power bank supplier over 5 years,cooperated with Logilink, Soundlogic, Vivo etc. Heyotei is a powerful power bank supplier. Our product line is only power bank. 5 years experience makes us professional. This is our company's new model, this is a super slim and portable power bank credit card shape, streamlined design, charging a good choice. Paranoid designers to reach the acme of slender, custom made this power bank, hoping to win recognition and consumer choice. Model USES is safe batteries, batteries have UN38.3, MSDS, aviation, maritime transportation report and drop test report. We have strict quality check system, all power Banks will be passed quality test twice, It could make the function defecitive rate under 0.1%. And all of the power Banks are informs of good quality materials And, we never use fake batteries And bad quality housing, cases. Products through strict quality control, assembly, testing, aging cycle, test, control each production details, reached the requirements of high quality, to ensure that the factory Give you a safe charging experience.