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The growth of smart devices in the world continues to increase, both users of Android, Blackberry, and IOS. But unfortunately, these smart devices are very greedy in energy consuming battery. Given these conditions, the solution appears power bank or battery backup to deal with running out of power at the time found no outlet.

Capacity will determine how time power bank can be utilized to charge our gadgets. Certainly POWERBANK with real capacity, real output and suited our needs.The power capacity If you want to buy old type power bank, you should know that maximum battery that can used for power storage is. If each battery has 2.500 Mah than the maximum number that we get is 7.500 mag.

According to the battery cells of the mobile power, it can be divided into four types basically: nickel metal hydride battery cells, lithium iron phosphate battery cells, liquid lithium-ion battery cells, and lithium polymer battery cells.

Nickel-metal hydride battery cells and lithium iron phosphate battery cells has low voltage and big nominal capacity, but the actual output efficiency is low. Compared with the lithium-ion battery cell and lithium polymer battery cell, they have no advantage. If the product description indicates this kind of battery cell, don’t choose that.
For power bank that using power bank 20000mah is a rational number and still make a sense. For full charge the power bank that has 20000mah need at least 12 hours. In normal condition, it could stand for a week.

The reason that mobile power gives out is that in the process of using, part of the battery energy cannot 100% output, part of it will be consumed in the form of heat in the internal circuitry of the mobile power, the higher the efficiency, the lower the heat will be, because of the energy losses in the circuit is less. Of course, the fever will also bring some serious problems, such as: thermal short-circuit combustion, high temperature accelerates aging of components. 

Guangzhou Sunwith Co., LTD, power bank manufacturer, is the subsidiary company of Global Vision Group (HK) limited. We are a professional and famous power bank manufacturer and exporter in China.We found the external battery division to solve this matter. Soon after, we lunched the external battery and Iphone power bank with fashionable designs, reliable quality and competitive price. At present, our product line has been expanded from the battery charger to mobile phone cases and accessories which are suitable for iPhone, iPods, iPad, smart phones, digital tablets and other portable devices.





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GUANGZHOU SUNWITH CO., LTD
Add: 7/F, 48B Building, Tangshuiwei Second Area, Minzhi, Longhua, Baoan, Shenzhen, China.
Tel: +86-20-22038336  Fax: +86-20-83850615  E-mail: contact us