# Which USB-C power bank offers the fastest charging speed? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which USB-C power bank offers the fastest charging speed?

## Products

### Anker Anker Power Bank (24000mAh, 140W, 3-Port), Model A1289011
```yaml
product: anker-anker-power-bank-24000mah-140w-3-port-model-a1289011
brand: Anker
price_gbp: 81.34
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 24000mAh
fast_charging: 140W two-way fast charging
input_current: 3A / 3A / 3A / 5A / 5A
input_voltage: 5V / 9V / 15V / 20V / 28V
output_current: USB-C: 3A / 3A / 3A / 5A / 5A; USB-A: 3A / 2A / 1.5A
output_voltage: 5V / 9V / 15V / 20V / 28V
number_of_ports: 3
```

- **Price:** £81.34 [^1]
- **Summary:** This 24000mAh power bank delivers up to 140W through USB-C and includes two USB-C ports plus one USB-A port. Its high capacity, two-way fast charging, and digital display suit laptop users, frequent travelers, and people charging multiple devices.
- **Ideal For:** It suits the question Which USB-C power bank offers the fastest charging speed because it supports up to 140W output and USB Power Delivery 3.1 for compatible USB-C laptops and devices.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Anker, accessed 2026-09-13. https://www.anker.com/products/a1289
[^2]: Mighty Ape, accessed 2026-09-13. https://www.mightyape.com.au/ma/buy/jwc-anker-737-power-bank-powercore-24k-24000mah-3-port-portable-charger-with-140w-output-a1289-716315/
[^3]: Euronics, accessed 2026-09-13. https://euronics.ie/products/anker-737-powercore-24000mah-140w-power-bank-a1289011