UGREEN 300W 48000mAh Portable Charger Power Bank with Smart Digital Display PB770
Power your devices wherever life takes you. The UGREEN PB770 is a high-capacity 48,000mAh power bank designed for serious performance. With 300W total output, PD 3.1 140W fast charging, and advanced safety features, it is built to support your lifestyle—whether you’re traveling, working remotely, or enjoying outdoor adventures.
Key Features
- Ultra-Fast Charging – Up to 300W Output: Charge your devices faster and more efficiently. With a 140W bidirectional PD 3.1 port and a total of 5 output ports, you can power multiple devices at once. The power bank itself charges fully in just 1.5 hours, minimizing downtime and maximizing productivity.
- Massive 48,000mAh Capacity – Up to 10 Days of Power: Stay connected longer. With enough power to charge an iPhone 15 Pro up to 10.8 times and a MacBook Air M2 15″ up to 1.1 times, this power bank is ideal for long trips, business travel, emergencies, or extended outdoor use.
- Advanced Battery Technology – Safer and Longer Lifespan: Equipped with automotive-grade LiFePO4 batteries, it delivers superior safety, energy density, and battery longevity. The battery maintains over 80% capacity even after 3,000 cycles, outperforming traditional lithium-ion batteries by 600%.
- Multi-Mode LED Light – For Emergencies and Outdoor Use: The built-in LED light features three lighting modes: high brightness, low brightness, and SOS emergency mode. Whether you’re camping, dealing with a power outage, or navigating in the dark, this feature provides essential visibility.





Upgrade Your Mobile Experience with Premium Power Banks & Accessories from Umrelo.com – Trusted Tech Store in Bangladesh
Enhance your smartphone’s performance and convenience with high-quality Power Banks, MagSafe Accessories, and Magnetic Wireless Charging Power Banks available at Umrelo.com – your trusted online tech destination in Bangladesh. Whether you’re an iPhone user, mobile gamer, or a frequent traveler, we offer a wide range of top-tier products designed to match your lifestyle.
Why Buy Power Banks, MagSafe & Magnetic Wireless Chargers from Umrelo.com in Bangladesh?
At Umrelo, we specialize in Power Banks that meet every need:
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Available in multiple capacities – choose from 5000mAh, 10000mAh, 20000mAh, 30000mAh, 50000mAh, and even higher, depending on your usage needs.
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Fast charging support – including PD 20W, QC 3.0, and 22.5W SCP for quick and reliable power delivery.
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Built-in cable options – no need to carry extra wires. Convenient for on-the-go users.
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Wireless & Magnetic Power Banks – ideal for iPhone users who want seamless MagSafe-compatible charging without the clutter.
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Trusted brands like Anker, Ugreen, Sharge, Foneng, Baseus, JOYROOM, and more, curated for quality and reliability.
Whether you’re looking for the best power bank in BD or the latest in mobile charging tech, Umrelo.com delivers with top-rated products, fast shipping, and excellent customer support across Bangladesh.
UGREEN 300W 48000mAh Portable Charger Power Bank Price in Bangladesh?
The latest price of the UGREEN 300W 48000mAh Portable Charger Power Bank in Bangladesh is Original price was: ৳14,990.৳12,490Current price is: ৳12,490.. Order online from our website or purchase directly from any of our stores.