ACEFAST M14 20000mAh 22.5W Power Bank Black with Built-in USB-C Cable
- • 20,000 mAh: High-capacity lithium-polymer power bank with 12,000 mAh rated capacity.
- • 22.5 W Fast Charging: USB-C and USB-A outputs support up to 22.5 W.
- • Built-in USB-C Cable: Integrated cable supports both input and output.
- • LED Digital Display: Battery level and fast-charge indication.
- • Compact Design: 113 × 71.5 × 30 mm body weighing 328 g.
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- Availability:
- In Stock
- Product Code:
- M14
- Brand:
- ACEFAST
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The ACEFAST M14 is a 20,000 mAh portable power bank with up to 22.5 W fast charging and a built-in USB-C cable. It combines the integrated cable with separate USB-C and USB-A ports for flexible charging and recharging.
An LED digital display shows the remaining battery level and fast-charging status. The M14 also supports pass-through charging and multiple fast-charging protocols for compatible devices.

Key Features
- 20,000 mAh Capacity: High-capacity lithium-polymer power bank with 12,000 mAh rated capacity.
- 22.5 W Fast Charging: Up to 22.5 W output through compatible USB-C or USB-A connections.
- Built-in USB-C Cable: Integrated cable supports both power-bank input and device output.
- Three Charging Outputs: Built-in USB-C cable, USB-C port and USB-A port.
- LED Digital Display: Shows battery charge level and fast-charging indication.
- Pass-Through Charging: Supports charging connected devices while the power bank is being recharged.
Technical Specifications
| Component | Specification |
| Brand | ACEFAST |
| Model | M14 |
| Barcode | 6974316283966 |
| Product Type | Power Bank |
| Color | Black |
| Battery Capacity | 20,000 mAh |
| Rated Capacity | 12,000 mAh |
| USB-C Cable / Port Input | 5 V ⎓ 3 A / 9 V ⎓ 2 A / 12 V ⎓ 1.5 A – 18 W Max |
| USB-C Cable / Port Output | 5 V ⎓ 3 A / 9 V ⎓ 2.22 A / 12 V ⎓ 1.67 A / 10 V ⎓ 2.25 A – 22.5 W Max |
| USB-A Output | 5 V ⎓ 3 A / 9 V ⎓ 2 A / 12 V ⎓ 1.5 A / 10 V ⎓ 2.25 A – 22.5 W Max |
| Combined Output | 5 V ⎓ 3 A – 15 W Max |
| Fast-Charging Protocols | PPS, PD3.0, PD2.0, QC4+, QC3.0, QC2.0, AFC, FCP, SCP |
| Display | LED Digital Battery Display + Fast-Charge Indicator |
| Battery Type | Lithium-Polymer |
| Material | Flame-Retardant PC |
| Dimensions | 113 × 71.5 × 30 mm |
| Weight | 328 g |
Compatibility & Important Information
- The built-in USB-C cable supports both input and output.
- The separate USB-C port also supports input and output.
- Maximum single-output charging is up to 22.5 W with compatible devices and protocols.
- When the built-in USB-C cable, USB-C port and USB-A port are used together, total output is limited to 15 W.
Package Contents
- ACEFAST M14 Power Bank × 1
- Manual × 1
Q: What is the exact model?
A: The model is ACEFAST M14.
Q: What is the battery capacity?
A: The M14 has a 20,000 mAh battery with 12,000 mAh rated capacity.
Q: What is the maximum charging output?
A: A compatible single USB-C or USB-A output can provide up to 22.5 W.
Q: Does the M14 have a built-in cable?
A: Yes. It has a built-in fast-charging USB-C cable that supports both input and output.
Q: Which charging ports are available?
A: It provides a built-in USB-C cable, a USB-C port and a USB-A output port.
Q: Does it have a battery display?
A: Yes. An LED digital display shows the battery charge level and fast-charging status.
Q: Does it support pass-through charging?
A: Yes. ACEFAST officially lists pass-through charging support.
Q: What are the dimensions and weight?
A: It measures 113 × 71.5 × 30 mm and weighs 328 g.
























