UGREEN 300W 48000mAh Portable Power Bank with Smart Digital Display (PB770)
Take an uncompromised reserve of energy wherever you go with the heavy-duty UGREEN 300W 48000mAh Portable Power Bank (Model: PB770 / 25286). Bridging the gap between standard portable chargers and large power stations, this beastly backup solution is engineered for digital nomads, outdoor campers, and professional creators. Packing an enormous 48000mAh capacity and a blistering 300W total combined output, it easily keeps high-demand gaming laptops, drones, tablets, and smartphones running through multi-day trips or unexpected home power outages.
UGREEN 300W 48000mAh Portable Power Bank with Smart Digital Display (PB770)
Take an uncompromised reserve of energy wherever you go with the heavy-duty UGREEN 300W 48000mAh Portable Power Bank (Model: PB770 / 25286). Bridging the gap between standard portable chargers and large power stations, this beastly backup solution is engineered for digital nomads, outdoor campers, and professional creators. Packing an enormous 48000mAh capacity and a blistering 300W total combined output, it easily keeps high-demand gaming laptops, drones, tablets, and smartphones running through multi-day trips or unexpected home power outages.
🚀 Industrial-Grade Power & Performance Features
⚡ Extreme 300W Output with Ultra-Fast PD 3.1 Technology
Never drop your productivity due to flat batteries. Equipped with next-generation Power Delivery (PD) 3.1 protocol on the primary USB-C1 port, this power bank can natively pump out an incredible 140W of dedicated single-port power—fast-charging premium laptops like the MacBook Pro from 0% to 56% in only 30 minutes. Across its five multi-ports, it outputs a total combined power of 300W to run your entire portable workspace at top speed.
🔋 Long-Lasting, Safe Automotive-Grade LiFePO4 Battery Cells
Built to last for a decade. Moving past conventional, volatile Lithium-ion layers, UGREEN implements premium Lithium Iron Phosphate (LiFePO4) battery chemistry. These automotive-grade cells offer extreme safety, stable performance below freezing temperatures, and an extraordinary life span. Even after 3,000 complete battery cycles, the power bank retains over 80% of its original capacity—offering up to 600% more longevity than regular power banks.
🔄 Blazing-Fast 140W Bi-Directional Self-Recharging
Replenishing an industrial-capacity 48000mAh block shouldn’t take all day. Thanks to high-speed 140W bi-directional input architecture, you can fully recharge this massive portable power station from 0% to 100% in just 1.5 hours using an appropriate 140W wall adapter.
📊 Advanced Smart Digital LED Display & Emergency Lighting
Real-Time System Monitoring: The crisp built-in smart display updates instantly, providing comprehensive readouts including current battery percentage, live input wattage during recharging, and active output power trends.
Multi-Mode Emergency LED Flashlight: Features an integrated side-facing LED panel perfect for camping or dark environments. Cycle easily between High Light, Low Light, and a rapid SOS Strobe mode for critical outdoor emergency signaling.
📐 Multi-Port Matrix & Dynamic Power Layout
The UGREEN PB770 distributes its 300W maximum capacity dynamically based on your connected setups:
Single Port Mode: USB-C1 (140W Max) / USB-C2 (100W Max) / USB-C3 (100W Max) / USB-A1 & A2 (22.5W Max)
Multi-Port Combination: Safely charges up to 5 individual devices concurrently, cleanly segmenting higher wattages to laptops and lower currents to accessories.
Trickle Charging Mode: Long-press the button to activate optimized low-current charging safely tailored for Bluetooth earbuds, smartwatches, and fitness bands.
📊 Technical Specifications
| Feature | Specification |
| Brand / Model | UGREEN PB770 (Product Code: 25286) |
| Total Battery Capacity | 48000 mAh (153.6Wh Power Reserve) |
| Battery Cell Chemistry | Premium Automotive-Grade LiFePO4 |
| Total Maximum Output | 300 Watts Max |
| Interface Port Array | 5 Ports (3x USB Type-C, 2x USB Type-A) |
| USB-C1 Input & Output | 5V=3A, 9V=3A, 12V=3A, 15V=3A, 20V=5A, 28V=5A (140W Max) |
| USB-C2 / C3 Output | 5V=3A, 9V=3A, 12V=3A, 15V=3A, 20V=5A (100W Max) |
| USB-A1 / A2 Output | 5V=3A, 9V=2A, 12V=1.5A, 10V=2.25A (22.5W Max) |
| Product Dimensions | 143 x 105 x 77 mm |
| Product Net Weight | 1.63 kg (Includes built-in carrying handle) |
🛡️ Smart NTC Temperature & Shielding Grid
Safety is anchored at the core of the UGREEN PB770. Driven by an advanced Negative Temperature Coefficient (NTC) temperature sensor layout, the internal microchip samples thermal levels continuously to prevent localized hotspots. This works alongside robust defenses shielding against over-voltage, over-current, sudden short circuits, and flame-retardant structural armor.
🛒 Why Buy From Gadget99 Bangladesh?
100% Verified Authentic Stock: We import strictly original global-version UGREEN devices in authentic retail boxes.
Fast Express Courier: Quick doorstep delivery across Dhaka city and trackable shipping straight to all districts.
Flexible Payments: Pay smoothly with mobile banking applications or take advantage of Cash on Delivery (COD).
Never run out of power on your next grand project. Purchase your original UGREEN 300W 48000mAh Power Bank from Gadget99 today!
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