Charge your smartphones and tablets quickly with this Energizer 20,000mAh power bank. Offering up to 72 hours of additional power for smartphones, it's perfect for long travels. With two USB 2.1 Type-A ports featuring Rapid Charge technology, it delivers up to 10.5W of power to two devices at once. Plus, the USB-C output provides up to 15W of fast, reliable charging for quick recharges.