Anker PowerCore Power Bank (20K, 30W) — Black
The Anker PowerCore Power Bank (20K, 30W) pairs a large 20,000mAh capacity with a detachable USB-C cable — a design choice that sets it apart from Anker’s more common built-in-cable models, since a worn or damaged cable can simply be replaced rather than retiring the whole power bank. It supports PD fast charging across two USB-C ports and one USB-A port, letting up to three devices charge simultaneously, and the 20,000mAh capacity is enough for roughly 4.5 iPhone 14 charges or 3.8 Samsung Galaxy S23 charges per full cycle. ActiveShield 2.0 keeps temperature in check during charging, a digital display shows remaining battery as a percentage, and a trickle charging mode protects small accessories from overcharging.
Key Features
- 20,000mAh capacity, enough for roughly 4.5 iPhone 14 charges per cycle
- Detachable, replaceable USB-C cable, which can also double as a carrying lanyard
- Three simultaneous charging ports, two USB-C plus one USB-A
- PD fast charging with support for PD, QC, and SCP protocols
- ActiveShield 2.0 temperature monitoring, keeping charging sessions safe and cool
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Anker PowerCore Power Bank (20K, 30W), Model A1384 |
| Colour | Black |
| Total Cell Capacity | 20,000mAh |
| Ports | 3 total (2 x USB-C, 1 x USB-A) |
| Charging Type | PD Fast Charging (PD, QC, SCP supported) |
| USB-C1/C2 Input | 5V⎓3A / 9V⎓3A / 15V⎓2A / 20V⎓1.5A (30W Max) |
| USB-C1/C2 Output | 5V⎓3A / 9V⎓3A / 10V⎓2.25A / 12V⎓1.5A / 15V⎓2A / 20V⎓1.5A (30W Max) |
| USB-A Output | 5V⎓3A / 9V⎓2A / 12V⎓1.5A (18W Max) |
| Total Output | 30W (single USB-C); 24W (5V⎓4.8A) when using 2 outputs simultaneously |
| Dimensions | 15.1 x 7.1 x 2.8 cm |
| Weight | 485g |
| Recharge Time | Approx. 4 hours (with a 30W charger, not included) |
| Safety | ActiveShield 2.0 temperature monitoring |
| Extra Features | Trickle charging mode, digital battery percentage display |
| Compatibility | iPhone, Samsung Galaxy, and other USB-C/USB-A devices |
Best Suited For
- Heavy daily users, who benefit from a replaceable cable rather than a fixed one that wears out over time
- Travelers charging multiple devices, using all three ports for phones, tablets, and accessories at once
- Anyone wanting a lanyard-style carry option, using the detachable cable to sling the power bank when moving around


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