In many cases, using a power bank has the following benefits:
First, humanized design, easy to carry
Second, portable, rechargeable, and universal power bank 20000mah
Third, elegant and executive designed make it looks fashionable and smart
Fourth, package with two switched connectors, you can power and recharge your mobile or PDA, iPod/iPhone/iPad, PSP, MP3/MP4 players, digital camera and other mobile devices anywhere
Fifth, flexible recharging of power pack via notebook USB port or wall adapter with USB charging cable
Sixth, automatic recover function for your battery capacity of mobile phone or other device
Seventh, meet all related safety standard, have CE, Rose and FCC certificates
In a way, a power bank can actually shorten the life of the battery, the article does not match the size of the voltage between the power bank with the smart phone. Relatively heavy weights for some power bank which has a large capacity, and some species have to be operated with the support of the USB cable. Mobile phone or smart phone battery faster heat time in charge could damage the SIM card if it is too long or too often use the Power Bank.
Guangzhou Sunwith Co., LTD, is a professional and famous power bank manufacturer and exporter in China. With our own professional R&D center, factory and marketing team, we devoted ourselves to offering customer with innovative 3C products. Our own brand "Sunwith" has won a great popularity and market share. At the same time, OEM service is offered and we want to establish a long term relationship with customers all over the world.