There is no battery in the package. If you want to use the charging port, please purchase your own battery bank.Dimensions - 18.1"(H) x 11.4"(L) x 6.3"(W) / 46cm X 29cm X 16cm, Weight 0.65kg.Material: Made of high quality polyester, durable and waterproof.Features: Unique and colorful design, cute plush ball ornaments make this backpack more attractive. Large capacity can accommodate 16-inch laptops.How to charge your phone? This backpack comes with a cord that connects the device from the outside to the power bank inside.Occasion: Suitable for girls going to school, shopping, dating, traveling, camping, driving, etc. Can be used as school bag, daily bag, casual backpack.Recommended age: 5 - 20 years old