The production of lithium batteries and cell phone batteries The production process of lithium batteries do not say external battery the external battery for iPhone process of the preparation of the previous material, winding, liquid injection, packaging, etc., only said to us last into external battery sub-capacity process. Good package lithium batteries each card into like a closet of external battery for iPhone the cabinet sub-capacity batteries factory the closet a external battery lot of rows, each cabinet can external battery put hundreds of batteries, external battery external battery or hundreds of test points. The cabinet is actually something like charger, but it can also charge a lot of batteries, each detection point data through the computer management. Lithium batteries into capacity and know the size of the capacity is the capacity external battery for iPhone division. By sub-capacity batteries level, for example, 063 048, 700 to 750mAh count Class A, but only reached the 650 to 700mAh count to the B level. Future Class A can sell more than a few dollars, and the Class B low sell C grade on the cheap to sell specialized processing waste batteries