Features
Massive 48000mAh Capacity: Provides extensive power, capable of up to 10.8 charges for an iPhone 15 Pro or 1.1 charges for a MacBook Air M2 15.
300W Max Fast Charging: Delivers high-speed power to multiple devices simultaneously.
PD3.1 140W Bi-directional Charging: Rapidly charges both your devices and the power bank itself.
Automotive-Grade LiFePO4 Batteries: Ensures enhanced safety, durability, and a long lifespan of over 3,000 cycles with 80%+ capacity retention.
Comprehensive Safety Protections: Includes over-voltage, over-discharge, over-charge, over-current, and short-circuit protection.
Unique NTC Temperature Control System: Monitors and regulates internal temperature for safe operation.
Multiple Ports: Features 2 USB-A ports and 3 USB-C ports for versatile device compatibility.
3-Mode LED Light: Offers Low (150h), High (115h), and SOS (115h) lighting modes for emergencies or convenience.
Smart Digital Display: Provides clear information on battery status and charging.
Durable Design: Constructed with flame-retardant material, a non-slip mat, and a convenient carrying handle.
Portable Dimensions: Compact design for its capacity (14310577)mm.
Included Accessories: Comes with a 6A 240W USB-C to USB-C cable and user manual. (Wall charger and USB-A to USB-C cable sold separately).
1-Year Brand Warranty: For added assurance.
Specifications
Brand: Ugreen
Model: PB770
SKU: 25286
Total Capacity: 48000mAh (153.6Wh)
Battery Type: Automotive-grade LiFePO4
Max Charging Output: 300W
Fast Recharging: 140W
Temperature Control: Unique NTC Temperature Control System
Light Modes:
Low: 150 hours
High: 115 hours
SOS: 115 hours
Display: LED
Weight: 1637g
Dimensions: (143 x 105 x 77)mm ±0.5mm
Protection Features:
Over Voltage Protection
Over-Discharge Protection
Over Charge Protection
Over Current Protection
Short Circuit Protection
Ports:
2x USB-A
3x USB-C
Output:
USB-C1:
5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A, 28V/5A (140W Max)
PPS: 3.3-21V/5A
USB-C2/C3:
5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A (100W Max)
PPS: 3.3-21V/5A
USB-A1/A2:
5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W)
Input:
USB-C1:
5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A, 28V/5A (140W Max)
Support Protocols (Input):
USB-C1: PD3.1, PD3.0, PD2.0, FCP, AFC, BC1.2, 5VAdaptive
Support Protocols (Output):
USB-C1: PD3.1, PD3.0, PD2.0, PPS, QC3.0, QC2.0, AFC, APPLE 5V2.4A, BC1.2, 5VAdaptive
Material: Flame Retardant Material
Warranty: 1-Year Brand Warranty
Product Overview
The Ugreen PB770 (25286) 48000mAh 300W Fast Charging Power Bank is an incredibly robust and versatile portable charging solution. Whether you’re on a long journey, working remotely, or simply need reliable power for multiple devices, the PB770 has you covered. Its massive 48000mAh capacity can provide numerous charges for smartphones and even power-hungry laptops like the MacBook Air M2.

Beyond its impressive capacity, the PB770 stands out with its cutting-edge charging capabilities. The 300W total output allows for simultaneous fast charging of multiple devices, while the PD3.1 140W bi-directional charging ensures the power bank itself recharges incredibly quickly. Safety is paramount with automotive-grade LiFePO4 batteries, offering exceptional longevity and stability. The comprehensive protection suite, including over-voltage, over-discharge, and short-circuit protection, provides peace of mind.

Designed for practicality, this power bank includes a smart digital display for real-time information, a non-slip mat for stability, and a convenient carrying handle. Its integrated 3-mode LED light adds utility in low-light conditions.