18650 is in the line is called, refers to cell diameter of 18mm, length of 65mm, cylinder-type batteries, international companies like Sanyo, Panasonic Mobile power investment, Samsung, Sony and others have in this business, but there are many domestic manufacturers in the production and sales 18650, the market saw the mobile power, in most cases, 18650 mobile power customized gifts, but in order to compete on cost, the basic use of domestic products, there are very few manufacturers using imported 18650 core. Polymer batteries polymer batteries are divided into three qualities, namely product A, B goods, C product A product polymer batteries is the best quality new polymer battery, battery manufacturers are usually custom-made on quality requirements are relatively high, all parameters can compliance, without any unusual products. Under normal circumstances the big manufacturers of mobile power will use A product batteries. B product polymer batteries such batteries mobile power in the production process, for some reason some products can cause flaws in appearance, capacity, voltage, or other parameters have a little problem, so the product is called B goods. Also, if A product batteries stock for too long, such as 3-6 months without shipping the product, usually also called B goods. B products 1-2 months of use of the previous product with almost no difference A mobile power molipow, capacity and number of cycles will be a sharp decline in two months. C product polymer batteries like 18650 disassemble products, usually discarded batteries, poor quality, usually in appearance, capacity, voltage and other indicators are substandard. Such products there are security risks, has the power to move its production capacity not only on the problems, is likely to cause damage to the digital devices. Consumers also need to be wary of buying. Mobile power magic bubble | Mobile Power | Shuo Shuo provide by Shenzhen New Energy Co., Ltd. Shenzhen Shuo New Energy Co., Ltd. (www.molipow.com/page-about.html) strong, credible, in Shenzhen, Guangdong phone's battery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will be able to lead the Master into the brilliant and you work for a better future!