The UGREEN 55987B is a high-capacity 20,000 mAh portable battery designed to power modern laptops, tablets and other demanding USB devices.

With a total power output of up to 165 W, you can charge multiple devices simultaneously without compromising on speed.

The built-in USB-C pull-out cable allows instant use without additional cables, and the advanced TFT display provides a clear overview of battery status and power distribution.

Its robust design and high performance make it suitable for professional use, business travel and field work.

• 20,000 mAh capacity: Charges MacBook Air 13″ up to 1.3x, iPhone 16 Pro up to 3.8x, Galaxy S25 Ultra up to 3.0x
• 100 W pull cord: 70 cm cord (over 25,000 uses). MacBook Pro 16″ charges up to 43% in 30 minutes; charges itself in 1.9 hours (with 100 W+ charger)
• 165 W 3-in-1 charging: 100 W cable + 65 W USB-C + 33 W USB-A. Simultaneous charging of 3 devices
• Compact design with smart TFT display: instant display of battery status, current, voltage and power of individual connectors. Dimensions 146 × 54 × 50 mm, weight 550 g, tower design
• Wide compatibility: Works with iPhone 16 series, Galaxy S25 series, MacBook, iPad, Pixel, AirPods and other devices

Specifications:

Input:
USB-C1: 5 V/3 A, 9 V/3 A, 12 V/3 A, 15 V/3 A, 20 V/5 A (max 100 W)
USB-C2: 5 V/3 A, 9 V/3 A, 12 V/3 A, 15 V/3 A, 20 V/5 A, 10 V/2.5 A (max 100 W)
USB-A: 5 V/2.5 A, 9 V/2 A, 12 V/1.5 A, 5.5-11 V/3 A (max 33 W)

Output:
USB-C1 + USB-C2: 5 V/3 A, 9 V/3 A, 12 V/3 A, 15 V/3 A, 20 V/5 A, 10 V/2.25 A (max 100 W)
USB-A: 5 V/3 A, 9 V/2 A, 12 V/1.5 A, 10 V/2.25 A, 5.5-11 V/3 A (max 33 W)

Total number of connectors:
3 connectors (1× USB-C input, 1× USB-C output, 1× USB-A output)

Battery capacity: 20,000 mAh

Rated capacity: 11,600 mAh

Supported protocols:
Input (USB-C1/USB-C2): PD3.0, PD2.0, QC3.0, FCP, AFC, Apple 2.4A, Samsung 5 V/2 A, BC1.2
Output (USB-C1/USB-C2): PD3.0, PD2.0, QC4.0, QC3.0, QC2.0 (5 V/9 V/12 V), PPS, SCP (10 V/2.25 A), FCP (5 V/9 V/12 V), AFC (5 V/9 V/12 V), Apple 5 V/2.4 A, Samsung 5 V/2 A, BC1.2
Output (USB-A): UFCS (5.5-11 V/3 A, max 33 W), QC3.0, QC2.0 (5 V/9 V/12 V), SCP (10 V/2.25 A), FCP (5 V/9 V/12 V), AFC (5 V/9 V/12 V), Apple 5 V/2.4 A, Samsung 5 V/2 A, BC1.2

Dimensions:146 × 54 × 50 mm (with built-in cable)