UGREEN PB502 Two-Way Fast Charging Power Bank – 10000mAh Portable Charger

The UGREEN PB502 is a 10000mAh power bank featuring bidirectional fast charging technology that quickly powers your devices and recharges itself in minimal time. This wired portable charger suits students managing tight schedules between classes and professionals who need dependable backup power without waiting hours for their power bank to refill. The dual-port design lets you charge two devices simultaneously, making it practical for shared study sessions or keeping multiple gadgets ready.

Key Features & Benefits

• Two-Way Fast Charging Technology: Recharges the power bank to full capacity in approximately 2.5 hours and delivers rapid charging to your devices. Spend less time waiting and more time using your phone, tablet, or laptop during study breaks or between meetings.
• 10000mAh Universal Capacity: Provides enough power to charge most smartphones 2-3 times or tablets once, ensuring you stay connected through long days on campus or extended business trips without outlet access.
• Dual USB Output Ports: Charge your phone and wireless earbuds simultaneously, or share power with a classmate’s device during group projects. The flexibility eliminates the need to prioritize which device charges first when you’re short on time.
• 20W USB-C Power Delivery: Delivers fast charging speeds compatible with iPhone 12 and newer, Samsung Galaxy devices, and USB-C laptops. Your iPhone can reach 50% battery in roughly 30 minutes, perfect for quick top-ups between commitments.
• Universal Device Compatibility: Works with virtually any USB-charged device including iPhones, Android phones, tablets, Nintendo Switch, and Bluetooth accessories. One power bank handles all your charging needs regardless of your tech ecosystem.

Technical Specifications

Capacity & Performance

• Battery Capacity: 10000mAh (38.5Wh)
• Battery Type: Lithium polymer
• Total Output: 22.5W max
• Efficiency Rate: Approximately 65-70% (delivers 6500-7000mAh to devices after conversion loss)
• Recharge Time: 2.5-3 hours with 18W+ charger

Input Options

• USB-C Input: 18W PD (5V/3A, 9V/2A)
• Micro-USB Input: 18W QC (5V/2A, 9V/2A)

Output Ports

• USB-C Output: 20W PD (5V/3A, 9V/2.22A, 12V/1.67A)
• USB-A Output: 22.5W (4.5V/5A, 5V/4.5A, 9V/2A, 12V/1.5A)
• Dual Port Output: 5V/3A combined (15W total when both ports used)

Physical Details

• Dimensions: 131 × 70 × 16mm (approximately)
• Weight: 210-220g
• LED Display: 4-indicator battery level display
• Cable Ports: USB-C and Micro-USB input, USB-C and USB-A output

Safety & Certifications

• Protection Features: Short-circuit, overcurrent, overvoltage, overcharge, and temperature protection
• Certifications: FCC, CE, RoHS compliant
• Airline Safe: Meets TSA requirements for carry-on baggage (under 100Wh)

Use Cases & Applications

For Students

The UGREEN PB502 handles the demands of all-day campus schedules where charging opportunities are scarce or inconvenient. Charge your phone during lectures while keeping your laptop ready for note-taking in subsequent classes. The fast recharge capability means you can fully replenish the power bank overnight or during a 3-hour study block, ensuring it’s ready for the next day. Additionally, the dual ports let you help a friend whose phone died before an important exam or presentation.

For Business Professionals

This power bank keeps essential devices operational during business travel, conferences, and client meetings. The 20W Power Delivery charges modern smartphones quickly during short breaks between appointments. You can also power USB-C laptops or tablets at lower wattages for emergency work sessions when outlets aren’t accessible. The compact size fits easily in briefcases or laptop bags without adding significant weight.

Commuting & Travel

Daily commuters appreciate having reliable backup power for streaming podcasts, reading e-books, or working remotely on trains and buses. The PB502 provides multiple smartphone charges for weekend trips or day excursions without requiring you to pack wall chargers. For international travel, the universal input compatibility works with various charging adapters worldwide.

Emergency Preparedness

Keep this power bank charged as part of your emergency kit for power outages or unexpected situations. It maintains approximately 80% charge after 6 months of storage, making it reliable when you need it most. The multiple output options ensure you can charge different devices if some charging cables are unavailable.

Shared Charging Needs

Study groups and coworking spaces benefit from the dual-port capability when multiple people need power simultaneously. Split the capacity between devices or take turns without needing separate power banks for everyone.

Model Number: PB502
What’s Included: Power bank, USB-C to USB-C cable (typically 30cm), user manual, welcome guide

Note: Charging speeds depend on device compatibility and cable quality. Use certified cables for optimal performance.