
UGREEN 48000mAh 300W Fast Charging Power Bank 25286 PB770
The UGREEN PB770 48000mAh 300W Power Bank is a powerhouse portable charger engineered for professionals, travelers, and outdoor enthusiasts who need maximum performance. With a 300W total output and PD 3.1 140W bidirectional charging, it delivers full-speed power to laptops, smartphones, and multiple devices at once. Supporting a 140W rapid self-charging speed, this massive-capacity power bank can fully recharge in just 1.5 hours, keeping downtime to a minimum.
Equipped with a gigantic 48,000mAh capacity, the PB770 provides up to 9.6 charges for iPhone 15 Pro or 2 full charges for MacBook Air M2 15", making it the perfect companion for long trips, back-to-back meetings, or extended outdoor adventures. Built with automotive-grade LiFePO4 batteries, it ensures superior safety, longer lifespan, and retains over 80% capacity even after 3,000 cycles—6× longer than standard batteries. Additional thoughtful features include a smart LED display, a multi-mode LED light (High/Low/SOS), non-slip base, and a convenient carrying handle.
Specifications
- Brand: UGREEN
- Model: PB770 (25286)
- Capacity: 48,000mAh
- Total Output: Up to 300W (supports PD 3.1 140W bidirectional charging)
- Recharge Time: ~1.5 hours with 140W PD charger
- Ports: 5 total (3 × USB-C, 2 × USB-A)
- Battery Type: Automotive-grade LiFePO4 (longer life & enhanced safety)
- Cycle Life: 3,000+ cycles (80% capacity retention)
- Charging Performance:
- iPhone 15 Pro → up to 9.6 charges
- MacBook Air M2 15" → up to 2 charges
- Lighting: Built-in LED light with 3 modes (High, Low, SOS)
- Display: Smart digital screen showing battery & charging status
- Design: Compact body with carrying handle & non-slip mat
- Compatibility: MacBook Pro/Air, iPhone, iPad, Galaxy S series, Steam Deck, Switch, DJI drones, and more
- Safety Protections: Over-current, over-voltage, over-heat, over-discharge, short circuit protection
- Included in Box:
- UGREEN 48,000mAh 300W Power Bank (PB770)
- 240W USB-C to USB-C Cable (6A)
- User Manual
(Note: Wall charger & USB-A to C cable not included. OUT1 & OUT2 do not support low-current devices. Remove USB-C to Lightning cable immediately after use.)
