Ugreen 20000mAh Two-way Fast Charging Power Bank UG- 25188

Name: Ugreen 20000mAh Two-way Fast Charging Power Bank UG- 25188
Brand: Ugreen
SKU: 24227
Availability: InStock

Ugreen UG-25188 represents a compact high-capacity portable charging solution with 20000mAh battery capacity and 100W maximum power output. This model designation also appears as PB720 in certain markets. The power bank features three independent charging ports with intelligent power distribution and supports Power Delivery 3.0 protocol alongside Quick Charge 4+ technology. Furthermore, the unit incorporates bi-directional fast charging capability through its primary USB-C port, enabling rapid power bank recharge in approximately 1.6 hours.

Technical Specifications

Battery Configuration

Cell Type: 21700 Lithium-Ion
Total Capacity: 20000mAh at 3.6V nominal
Energy Storage: 72Wh
Battery Chemistry: Advanced lithium-ion polymer
Cell Technology: High-density 21700 format cells

USB-C1 Port Input/Output

Input Voltage/Current: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
Input Power Maximum: 65W
Output Voltage/Current: 5V/3A (15W), 9V/3A (27W), 12V/3A (36W), 15V/3A (45W), 20V/5A (100W)
Output Power Maximum: 100W single port
Supported Input Protocols: PD3.0, PD2.0, FCP, AFC, BC1.2, 5V Adaptive
Supported Output Protocols: PD3.0, PD2.0, PPS, QC3.0, QC2.0, AFC, Apple 5V/2.4A, BC1.2, 5V Adaptive

USB-C2 Port Output

Output Voltage/Current: 5V/3A (15W), 9V/3A (27W), 12V/2.5A (30W)
Output Power Maximum: 30W single port
Supported Protocols: PD3.0, PD2.0, QC3.0, QC2.0, AFC, FCP, BC1.2

USB-A Port Output

Output Voltage/Current: 5V/3A (15W), 9V/2A (18W), 10V/2.25A (22.5W), 12V/1.5A (18W)
Output Power Maximum: 22.5W
Supported Protocols: QC3.0, QC2.0, FCP, AFC, SCP, Apple 5V/2.4A, BC1.2, 5V Adaptive

Combined Port Output Configurations

USB-C1 Solo Operation: 100W maximum
USB-C2 Solo Operation: 30W maximum
USB-A Solo Operation: 22.5W maximum
USB-C1 + USB-C2: 65W + 30W
USB-C1 + USB-A: 65W + 22.5W
USB-C2 + USB-A: 20W combined (power distributed between ports)
USB-C1 + USB-C2 + USB-A: 65W + 20W combined (total ~85W active)

Charging Protocol Support

Input Protocols: PD3.0, PD2.0, FCP, AFC, BC1.2, 5V Adaptive
Output Protocols (USB-C1/C2): PD3.0, PD2.0, PPS, QC4+, QC3.0, QC2.0, FCP, AFC, Apple 5V/2.4A, DCP, BC1.2, 5V Adaptive
Output Protocols (USB-A): QC3.0, QC2.0, FCP, AFC, SCP, Apple 5V/2.4A, BC1.2, 5V Adaptive

Physical Specifications

Dimensions: 139mm × 80mm × 26.5mm (5.47 × 3.15 × 1.04 inches)
Weight: 420g (0.93 pounds)
Housing Material: UL 94 V-0 rated flame-retardant plastic
Color: Grey
Display Type: LED digital percentage indicator
Cable Included: 2 × USB-C to USB-C cables (100W rated each)

Safety and Protection Features

Over-Voltage Protection: Yes (all ports monitored)
Over-Current Protection: Yes (automatic current limiting)
Over-Charge Protection: Yes (prevents battery overcharging)
Over-Discharge Protection: Yes (protects battery longevity)
Over-Temperature Protection: Yes (thermal monitoring and shutdown)
Short-Circuit Protection: Yes (immediate disconnection)
Low-Current Mode: Yes (for small devices under 100mA)
Multi-Level Protection System: Comprehensive safety monitoring

Performance Metrics

Recharge Time: Approximately 1.6 hours with 65W PD charger
Recharge Speed Comparison: 5× faster than standard 5V/2A charging
MacBook Pro 16″: 0-42% charge in 30 minutes
MacBook Air 15″: 0-50% charge in 30 minutes, approximately 1.1 full charges total
iPhone 15 Pro: 0-60% charge in 30 minutes, approximately 4.5 full charges total
iPhone 15: 0-55% charge in 30 minutes
Battery Life Duration: 5-7 days typical smartphone usage

Regulatory and Compatibility

Aviation Compliance: 72Wh (compliant with IATA/FAA carry-on regulations)
Model Designations: UG-25188, PB720
Warranty: 1 year standard manufacturer warranty
Certification Standards: CE, FCC, UL 94 V-0 flame rating

Operating Specifications

Operating Temperature Range: Standard lithium-ion operating parameters
Storage Temperature Range: Standard lithium-ion storage parameters
Humidity Tolerance: Standard electronic device specifications
Maintenance Recommendation: Full charge/discharge cycle every 3 months during storage

Device Compatibility Categories

Laptops: MacBook Pro (13″/14″/16″), MacBook Air (13″/15″), Dell XPS series, HP Spectre series, Lenovo ThinkPad USB-C models
Tablets: iPad Pro (all sizes), iPad Air, iPad Mini, Samsung Galaxy Tab series, Surface Pro
Smartphones: iPhone 12-17 series, Samsung Galaxy S/Note series, Google Pixel, OnePlus, Xiaomi
Gaming: Nintendo Switch, Steam Deck, ASUS ROG Ally, gaming smartphones
Accessories: AirPods, wireless earbuds, fitness trackers, smartwatches, Bluetooth speakers