2017 high cost-effective 20000mah power bank online review

Product Description 2017 high cost-effective 20000mah power bank online review * Double USB output 5V 2.1A, input 5V 2.0A * 4 Led indicators (showing the battery level) * Rubber coated, super comfortable touch power bank online * Full charging time: 10.5 hours by USB 5V 2A * Wide compatibility: Apple products, All kinds of Cell Phones, tablets, Cameras etc. * High quality with CE/FCC/RoHS/REACH/PAH from TUV * Built-in proprietary software to control temperature, voltage and current.   2017 high cost-effective 20000mah power bank online review Product Picture   Packaging & Shipping Packing & Shipping  for our power bank review: For sample order, it could be sent to you within 3-4 days. For mass order, 3.-4 weeks will be OK. And, we support TNT, Express, Airtransport...     Our Services Advantage for our power bank case online: * 12 months warranty for our power bank online * online service * Member of BSCI and ISO9001:2008 APPROVED * REACH, EN60950, CE, ROHS, FCC and other related certificates Approved by TUV * OEM & ODM supported(70% of our products are ODM) * DIFUNG unique design, different from other lithium battery power bank supplier FAQ   Related Products You may also like the below power bank online: