INTEGRATED USB C CABLE ALLOWS FOR MORE CONVENIENT CHARGING: Our portable power bank 20K includes a built-in braided USB C cable for hassle-free charging. Simply plug in the cable for instant power, perfect for on-the-go charging anytime, anywhere. 45W MAX OUTPUT LETS YOU FAST CHARGE SMARTPHONES & TABLETS: This Belkin portable charger has a powerful 45W output, allowing you to fast charge your smartphones and tablets. This output even allows you to charge a MacBook Air up to 45W. 20K BATTERY LIFE: With a powerful 20000mAh cell capacity, this power bank supports charging multiple mobile devices simultaneously, adding an extra 114 hours of playback. Keep your smartphone and other essential gadgets powered up without a worry. CHARGE 3 DEVICES AT THE SAME TIME: With a built-in USB C cable, a USB A and a USB C port, you can simultaneously charge three devices with 22.5W shared output. Ensure your smartphone and tablet have power no matter where you are. DIGITAL DISPLAY: Stay informed at a glance with this power bank's digital display, designed to keep you up on your device's battery status. Easily monitor the remaining charge and manage your power needs efficiently for all your devices.