The Sharge Retractable Power Bank 20000mAh 165W (E4) is engineered for users who demand high-speed power without the clutter of extra cables. Designed for professionals and travelers, it features a built-in 70cm retractable cable capable of delivering up to 100W, allowing you to power a laptop or fast-charge a smartphone instantly. With a total combined output of 165W across its dual USB-C and single USB-A ports, it can charge three devices simultaneously, making it a versatile hub for your entire tech ecosystem. Performance is anchored by EV-grade battery cells, ensuring the device maintains healthy performance for over 500 charge cycles. The 20,000mAh (74Wh) capacity is sufficient to fully charge an iPhone up to three times or provide a full charge for a laptop. Despite its power, the unit is airline-safe, making it an ideal companion for international travel. One of the most striking features is the smart interactive LCD panel. Moving beyond simple percentage indicators, this display provides real-time metrics including voltage, temperature, and power distribution, offering complete transparency into your charging process. This 'cyberpunk' aesthetic is matched by a premium anodized gray gradient finish, blending industrial style with high-end build quality. Weighing in at 515g, the E4 is designed to be lighter than many competing 20,000mAh models. It supports a wide array of fast-charging protocols, including PD3.1, PPS, and QC3.0, ensuring compatibility with everything from the latest MacBooks to Android devices and tablets. It is a sophisticated balance of high capacity, extreme speed, and minimalist design.