Introducing our Portable Charger with a massive 15000mAh battery capacity. This charger is perfect for anyone who needs to charge multiple devices on the go, with 4 ports including Type-C, USB-A, and Micro-USB connectivity. It is compatible with the B1 model and has a voltage of 3.7V. Use this charger to keep your devices powered up throughout the day without worrying about running out of battery. Its compact design makes it easy to carry in your bag or pocket, making it ideal for travel or everyday use. With this charger, you can stay connected and productive wherever you go.