UGREEN 20000mAh 130W Fast Charging Power Bank PB721 Portable Laptop Charger The UGREEN 20000mAh 130W Fast Charging Power Bank PB721 is a high-output portable charger designed for laptops, tablets, smartphones, and USB-C devices that demand serious power. With up to 130W total output and advanced Power Delivery support, this power bank can fast charge MacBook, Dell XPS, iPad Pro, gaming handhelds, and modern smartphones. Its large 20000mAh capacity ensures extended usage on the go, while rapid two-way charging and intelligent safety protection make it a dependable solution for travel, business, and everyday backup power. Product Features 130W Ultra-Fast Charging Output Provides up to 130W total power output, allowing fast charging for USB-C laptops and simultaneous charging of multiple devices without compromising performance. 100W USB-C Power Delivery The primary USB-C port supports up to 100W PD output, making it suitable for high-performance laptops including MacBook Pro and other USB-C notebooks. Dual USB-C and USB-A Ports Equipped with two USB-C ports and one USB-A port for versatile connectivity. Charge laptops, tablets, smartphones, and accessories at the same time. 20000mAh High-Density Battery Large capacity lithium polymer battery delivers multiple smartphone charges or significant laptop runtime extension during travel or power outages. Fast Recharge with High-Wattage Input Supports high-speed USB-C input, allowing the power bank to recharge quickly with a compatible PD wall charger, reducing downtime. Intelligent Power Distribution Automatically detects connected devices and allocates optimal power output to ensure safe and efficient charging. Advanced Multi-Layer Safety Protection Built-in safeguards protect against overcharging, overheating, short circuit, overcurrent, and overvoltage for reliable daily use. Digital Battery Percentage Display Integrated LED digital display shows accurate remaining battery percentage for precise power management. Compact and Travel-Ready Design Slim and durable construction makes it easy to carry in backpacks or laptop bags, meeting airline carry-on capacity regulations. Product Specifications Brand: UGREEN Model: PB721 Battery Capacity: 20000mAh Battery Type: Lithium polymer Total Output: Up to 130W USB-C1 Output: Up to 100W Power Delivery USB-C2 Output: Up to 30W Power Delivery USB-A Output: Up to 22.5W fast charging (protocol dependent) USB-C Input: Up to 65W Power Delivery input Ports: 2 × USB-C, 1 × USB-A Charging Protocols: PD 3.0, QC 3.0, SCP, FCP, AFC Recharge Time: Approximately 2–3 hours with 65W charger Display: LED digital battery indicator Safety Protection: Overvoltage, overcurrent, short circuit, temperature control Compatibility: USB-C laptops, MacBook Pro/Air, Dell XPS, iPad Pro, Nintendo Switch, Android and iOS smartphones, tablets, and USB-powered devices Color: Black Package Contents: Power bank, USB-C charging cable, user manual
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| Special Filters |
| Power Input | 100 – 240V ̴ 50/60 Hz |
| Signal-to-Noise Ratio | > 80dB |
| Output power (W) | 100W RMS (IEC60268) |
| Dynamic frequency response range (Hz) | 40Hz – 20kHz (-6dB) |
| Frequency Response | 40Hz – 20kHz (-6dB) |
| Transducer | 1 x 5.25 inch (135mm) woofers, 2 x 1 inch (25mm) Dome tweeters |
| Dimensions (Width x Height x Depth) (cm) | 32.0 x 33.9 x 26.3 |
| Dimensions (Width x Height x Depth) (in) | 12.58 x 13.33 x 10.35 |
| Weight (kgs) | 6.4 |
| Weight (lbs) | 14.11 |
| Aux-In | 370 mV RMS (3.5mm connector) |
| Mic-In | 20 mV RMS |
| Guitar-In | 100 mV RMS |
| Bluetooth Input (dBFS) | -9 |
| USB Input (dBFS) | -9 |
| USB Format | FAT16, FAT32 |
| Bluetooth Profile | A2DP V1.4, AVRCP V1.6(SW), TMAP1.0, PBP1.0 |
| Bluetooth Transmitter Frequency Range (GHz) | 2.402GHZ~2.480 |
| Bluetooth Transmitter Modulation | GFSK, π/4 DQPSK, 8DPSK ,BLE1M, BLE2M |
| Bluetooth Transmitter Power | ≤ 16 dBm (EIRP) |
| Bluetooth version | 5.4 |
| Charging time (hours from empty) | < 3.5 |
| Cabel Type | AC power cable (type varies by regions) |
| Cable Length (ft) | 6.6 |
| Cable Length (m) | 2 |
| Battery Type | JBL Battery 200, Li-ion Battery(7.4V/4722mah) |
| Battery Charge Time (hours) | 3.5 |
| Maximum music playing time (hrs) | 15 |





