UGREEN 45W Compact GaN Charger

Charge your phone to full in minutes, not hours—the UGREEN 45W Compact GaN Charger delivers desktop-grade power in a pocket-sized design.

This charger intelligently adapts to whatever device you plug in, whether it's a phone, tablet, or laptop, and gets them charged fast without the bulk.

The Airpyra™ stacked architecture keeps heat minimal and performance stable, so it stays cool even during intensive charging sessions and works reliably day after day.

Fast Charging, Smaller Footprint

• Universal Compatibility: Works with iPhone, Samsung, Huawei, and any USB Power Delivery device without switching chargers.
• Intelligent Power Distribution: Automatically detects your device and delivers the optimal wattage for safe, efficient charging.
• Thermal Stability: Advanced heat monitoring checks temperature 200 times per second, preventing overheating and extending device lifespan.
• Travel-Ready Design: 45W of power compressed into a compact form that fits easily in bags, pockets, or desk drawers.
• Multi-Layer Protection: Eight independent safety systems guard against overcurrent, overvoltage, overtemperature, and short circuits.

Technical Specifications

Product Identity

• Brand: UGREEN
• Model: X840
• Type: Compact GaN Fast Charger

Power & Performance

• Maximum Output: 45W
• Input: AC 100–240V, 50/60Hz (universal)
• Technology: GaN (Gallium Nitride) with Airpyra™ stacked compact design

Charging Protocols

• Supported Standards: USB Power Delivery, Qualcomm Quick Charge, Samsung Adaptive Fast Charge, Huawei FCP, Huawei Quick Charge, BC1.2

Safety & Thermal Management

• Protection Systems: Overcurrent, overvoltage, overtemperature (high/low), overcharge, overdischarge, undervoltage, overload, and short-circuit protection
• Thermal Monitoring: Temperature checks up to 200 times per second with Thermal Guard™ intelligent heat control

Compliance

• Certifications: CE, FCC, RoHS
• Connector: US Plug