UGREEN 20,000mAh Power Bank 30W PD Fast Charging with Built-in USB-C Cable & Digital Display
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More Details for UGREEN 20,000mAh Power Bank 30W PD Fast Charging with Built-in USB-C Cable & Digital Display from UGREEN
The UGREEN PB521 External Battery represents the pinnacle of portable charging technology. At its core lies a high-density 20,000mAh lithium-polymer battery, offering enough juice to keep your entire digital ecosystem running for days. With 30W Power Delivery (PD) Fast Charging, this power bank isn't just about capacity—it's about incredible speed. It can charge an iPhone 15 Pro to 60% in just 30 minutes, or provide a critical power boost to a MacBook Air, ensuring your productivity never hits a wall.
What sets the UGREEN PB521 apart is its human-centric design. It features a built-in, reinforced USB-C cable made from high-flex TPE material that has been stress-tested for thousands of bends. This means you can leave your tangled mess of cables at home; the power you need is literally attached to the device. The exterior is finished with a premium, fire-resistant V0-grade shell that feels comfortable in the hand while providing superior impact resistance against accidental drops.
Safety is paramount when dealing with high-capacity energy. UGREEN has integrated a comprehensive 9-layer safety system, including an NTC thermistor that monitors temperature 200 times per second to prevent overheating. It also protects against over-current, over-voltage, and short circuits. The Smart LED Digital Display eliminates guesswork by showing the exact battery percentage, so you always know exactly how much "fuel" you have left.
Despite its heavy-duty internal specs, the PB521 maintains a compact and travel-friendly footprint. With a total energy rating of 74Wh, it is fully compliant with international aviation standards (TSA/EASA), allowing you to carry it in your cabin luggage without worry. The triple-port configuration—including the built-in cable, a dedicated USB-C port, and a USB-A port—allows you to share power with friends or charge your phone, tablet, and earbuds all at the same time.
Key Features
- Ultra-High 20,000mAh Capacity: Delivers approximately 4.5 charges for iPhone 15, 3.8 charges for Samsung Galaxy S24, or 1.5 charges for an iPad Pro 11".
- 30W PD Two-Way Fast Charge: High-speed charging for your devices and rapid self-recharging for the power bank itself.
- Stress-Tested Built-in Cable: An integrated USB-C cable that supports 30W output, designed for durability and maximum portability.
- Simultaneous Triple-Port Charging: Power up three devices at once using the built-in cable, the USB-C port, and the USB-A port.
- Intelligent LED Power Indicator: A high-definition digital screen displays real-time battery status for precise power management.
- Advanced NTC Temperature Control: Continuous thermal monitoring ensures the device stays cool and safe even during heavy-duty charging sessions.
- Universal Compatibility: Seamlessly works with iPhones, Android smartphones, iPads, Nintendo Switch, and low-power laptops like MacBook Air.
- Flight-Friendly Design: Within the 100Wh limit for airline travel, making it the perfect companion for long-distance international trips.
