High-Efficiency, Quick Charging Capability: CUKTECH 20 Power Bank delivers 140W of power, fully compliant with the latest PD3.1 charging protocol. It eliminates the inconvenience of sluggish charging, offering a quick-charging solution tailored for devices such as MacBook Pro. Compared to ordinary high-power chargers, it's in a league of its own. Mega Battery Life: Packed with a Auto-Grade battery, it's built to last with over 1000 charge cycles. That's over three times the lifespan of ordinary power banks. With its reliable 25000mAh power source, the portable charger can charge your MacBook Air 1.2 times or your iPhone 15 up to 4 times. It's the power you can count on.And the CUKTECH power bank meets safety certifications such as UL, CE, CB, and FCC etc, which provide a better and safer charging experience. Smart TFT Display: Featuring an intuitive TFT display, it keeps you informed with real-time info like battery level, power, voltage, and current. Stay in contr