ACEFAST B20 PD45W USB-C + USB-A Car Charger - Metal Grey
- • 45 W USB-C Fast Charging: USB-C output supports up to 45 W
- • Dual-Port Design: 1 × USB-C plus 1 × USB-A
- • 30 W USB-A Output: Fast charging up to 30 W when used individually
- • 12-24 V Vehicle Input: Designed for compatible vehicle power sockets
- • Compact Metal Grey Build: Zinc alloy + PC body measuring 54.5 × 24 × 24 mm
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- Availability:
- In Stock
- Product Code:
- ACEFAST B20
- Brand:
- ACEFAST
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The ACEFAST B20 is a compact 45 W fast car charger designed for DC 12-24 V vehicle power sockets. It combines one USB-C port and one USB-A port, giving drivers a flexible charging solution for compatible laptops, tablets, smartphones and other USB-powered devices.
The USB-C port delivers up to 45 W when used individually, while the USB-A port supports up to 30 W. A zinc alloy and PC construction, broad fast charging protocol support and multi-level safety protection complete the compact Metal Grey design.

Key Features
- 45 W USB-C Fast Charging: USB-C output supports up to 45 W for compatible devices.
- Dual Charging Ports: Includes one USB-C port and one USB-A port in a compact in-car design.
- 30 W USB-A Output: USB-A supports fast charging up to 30 W when used individually.
- Broad Fast Charging Support: USB-C supports PPS, PD3.0, PD2.0, QC4+, QC3.0, QC2.0, AFC, FCP and SCP.
- 12-24 V Vehicle Input: Designed for vehicle electrical systems with DC 12-24 V input.
- Zinc Alloy Construction: Zinc alloy and PC body combines compact dimensions with a durable build.
Technical Specifications
| Component | Specification |
| Brand | ACEFAST |
| Model | B20 |
| Product Type | Fast Charge Car Charger |
| Color | Metal Grey |
| Input | DC 12-24 V |
| Maximum Output | 45 W |
| Ports | 1 × USB-C + 1 × USB-A |
| USB-C Output | 5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 20 V / 2.25 A — 45 W max. |
| USB-A Output | 5 V / 3 A, 9 V / 3 A, 12 V / 2.5 A — 30 W max. |
| Dual-Port Output | USB-C + USB-A: 5 V / 3 A — 15 W max. |
| USB-C Fast Charge Protocols | PPS, PD3.0, PD2.0, QC4+, QC3.0, QC2.0, AFC, FCP, SCP |
| USB-A Fast Charge Protocols | QC3.0, QC2.0, AFC, FCP, SCP |
| Material | Zinc alloy + PC |
| Dimensions | 54.5 × 24 × 24 mm |
| Weight | 36 g |
| Certifications | RoHS, CE, EAC, FCC |
| Warranty | 24 months |
Compatibility & Important Information
The ACEFAST B20 is designed for DC 12-24 V vehicle power sockets. The USB-C port can provide up to 45 W and the USB-A port up to 30 W when each port is used individually with a compatible device.
When the USB-C and USB-A ports are used simultaneously, their combined output is limited to 5 V / 3 A, or 15 W maximum. Charging performance depends on the connected device and the fast charging protocol it supports.
Package Contents
- ACEFAST B20 Car Charger × 1
- Manual × 1
Q: What is the maximum output of the ACEFAST B20?
A: The maximum single-port output is 45 W through the USB-C port.
Q: How many charging ports does the B20 have?
A: It has two ports: one USB-C and one USB-A.
Q: What is the maximum USB-A output?
A: The USB-A port supports up to 30 W when used individually.
Q: Can USB-C and USB-A be used at the same time?
A: Yes. When both ports are used simultaneously, their combined output is 5 V / 3 A, or 15 W maximum.
Q: Which fast charging protocols does USB-C support?
A: USB-C supports PPS, PD3.0, PD2.0, QC4+, QC3.0, QC2.0, AFC, FCP and SCP.
Q: Does the B20 support 12 V and 24 V vehicle systems?
A: ACEFAST specifies a DC 12-24 V input range.
Q: What is the size and weight of the B20?
A: It measures 54.5 × 24 × 24 mm and weighs 36 g.
Q: What is included with the ACEFAST B20?
A: ACEFAST lists one B20 car charger and one manual.




















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