Description
Choetech B729 20000mAh Power Bank – High-Capacity 22.5W PD Fast Charger with Digital Display
Never worry about a low battery signal again. The Choetech B729 20,000mAh Power Bank is the ultimate compact energy reservoir built to keep your daily essentials moving. Seamlessly blending a massive battery density with ultra-fast 22.5W Power Delivery (PD) and Quick Charge 3.0 technologies, it is engineered for commuters, travelers, and power users alike.
Whether you need to revive an iPhone, boost an Android device, or sustain a tablet during extended hours away from a wall plug, the Choetech B729 delivers reliable, smart, and safe current optimization across three devices simultaneously.
Key Features & Benefits
- Massive 20,000mAh Capacity: Packed with massive lithium-polymer energy storage capacity, providing multiple full cycles for mainstream smartphones, tablets, and wireless earpieces.
- Blistering 22.5W PD & QC Fast Charging: Equipped with advanced Power Delivery and Quick Charge 3.0 protocols. Fuel your compatible smartphones up to 50% capacity in roughly 30 minutes.
- 3 Simultaneous Outputs: Features 1 × bidirectional USB-C port and 2 × high-output USB-A ports, making it effortless to share power or juice up your phone, tablet, and wireless earbuds all at once.
- Smart Digital LED Screen: Ditch the guessing games of vague dot indicators. The integrated digital screen outputs the exact percentage of remaining power so you can precisely manage your usage.
- Bi-directional Fast USB-C Input: Supports an 18W max fast recharge input rate via the USB-C port, slicing the time required to bring the power bank back to 100%.
- Universal Compatibility: Fully optimized to supply tailored voltage rates for iPhone, Samsung Galaxy, Google Pixel, iPad, portable gaming consoles, and low-current accessories.
- Multi-Layer Safety Protection: Built-in intelligent circuit management chips guard your devices against over-charging, over-discharging, excessive current spikes, short circuits, and overheating.
Technical Specifications
| Specification Item | Details / Capabilities |
|---|---|
| Model Number | B729 (B729-BK) |
| Battery Type | Premium Lithium Polymer |
| Battery Capacity | 20,000mAh / 3.7V (74Wh) |
| Total Max Output | 22.5W Max (22W under combined heavy multi-port load) |
| Output Ports | 1 × USB-C, 2 × USB-A |
| USB-C Input Rate | 5V-2.4A, 9V-2A, 12V-1.5A (18W Max) |
| USB-C Output Rate | 5V-3A, 9V-2.22A, 12V-1.67A (20W Max) |
| USB-A1 / USB-A2 Output | 5V-3A, 10V-2.25A, 12V-1.5A (22.5W Max Per Port) |
| Combined Multi-Port Output | USB-C + USB-A1 + USB-A2 = 5V-3A (15W Max Share) |
| Fast Charging Standards | Power Delivery (PD 3.0/2.0), Quick Charge (QC 3.0/2.0) |
| Safety Certifications | CE, FCC, RoHS, PSE Approved |
| Shell Material | Fire-Retardant ABS + Rugged PC Matte Texture |
| Dimensions | 15.00 × 6.80 × 2.80 cm |
| Product Weight | Approximately 420g |