The Celly PBUP20000 power bank delivers portable battery support for charging phones, tablets, and other USB-powered devices while on the go. It combines a high-capacity 20,000 mAh lithium polymer cell with a compact, lightweight design to provide multiple full charges without adding bulk. Dual outputs including a USB-C and two USB-A ports let users power more than one device at a time, while the LED display shows remaining charge so recharging happens at convenient times. A detachable USB-C cable and 20 watt power delivery support efficient charging for compatible devices.