Black, Phones, Power Banks.The GBT PS300 11580mAh Power Bank in black is an essential gadget for anyone who needs to stay connected on the go. With its powerful battery, this power bank can charge you more→r phone multiple times, letting you use your phone for extended periods without running out of power. The portable size of the GBT PS300 11580mAh Power Bank makes it ideal for use on the go, whether you're traveling or just out and about. The power bank is compatible with a wide range of phones, making it a versatile accessory to have. Additionally, it is made with high-quality materials to ensure its durability and longevity. If you're looking for a reliable and high-performing power bank, the …