Introducing the DIY Portable Power Bank, designed and manufactured by Keliyuan Electronics Co., Ltd. As a leading supplier and factory in China, we are proud to bring you this innovative and convenient product. The DIY Portable Power Bank is perfect for individuals who are always on the go and in need of a reliable power source for their electronic devices. With the capacity to charge multiple devices simultaneously, this power bank features a sleek and lightweight design that fits easily into your pocket or bag. The DIY feature allows users to customize the power bank according to their preferences by adding their own battery cells and circuit boards. At Keliyuan Electronics Co., Ltd., we ensure that our products are made with the highest quality materials and meet international safety standards. Whether you're a tech enthusiast or simply looking for a reliable power source for your devices, the DIY Portable Power Bank is the perfect solution. Order yours today and experience the convenience of a trusted China manufacturer and supplier.