140W USB-C Power for High-Performance Laptops.
Built for travelers carrying more demanding USB-C laptops, JMFONE 140W delivers up to 140W from either USB-C1 or USB-C2 when used individually.
PD 3.1 charging, intelligent multi-port power distribution, three USB-C ports, USB-A and a universal AC outlet combine laptop-class charging and international plug compatibility in one travel adapter.
140W USB-C | PD 3.1 | 3 USB-C + 1 USB-A | 2500W AC | 200+ Countries
Best For: High-Power USB-C Laptops · MacBook Pro · Power Users · Business & Professional Travel
True 140W Single-Port USB-C Charging
Unlike adapters where the headline wattage refers only to combined output, JMFONE can deliver up to 140W from USB-C1 or USB-C2 when either port is used individually.
USB-C1 / USB-C2
5V⎓3A
9V⎓3A
12V⎓3A
15V⎓3A
20V⎓5A
28V⎓5A
Up to 140W Max
With USB PD 3.1 support, the 140W model is designed for higher-power USB-C laptops and devices that can take advantage of charging above 100W.
Built for High-Power Laptop Travelers
If your laptop's charging requirements go beyond what a typical 65W or 100W charger provides, the JMFONE 140W gives you additional USB-C headroom while traveling.
Compatible device categories include:
MacBook Pro / Air
Dell XPS
HP Spectre
Lenovo ThinkPad
USB-C laptops
iPad Pro
iPhone
Samsung Galaxy
Steam Deck
Nintendo Switch
and other compatible PD devices.
Actual charging speed depends on the connected device and its supported charging protocol.
Smart Multi-Port Power Distribution
High single-port power doesn't mean giving up multi-device charging.
Two-Port Examples
C1 + C2: Up to 100W + 35W
C1 + C3: Up to 100W + 20W
C2 + C3: Up to 100W + 20W
C1/C2 + USB-A: Up to 100W + 18W
Three USB-C Devices
C1 + C2 + C3: Up to 65W + 35W + 20W
All Four USB Ports
C1 + C2 + C3/A1 Shared Group: Up to 115W total according to port allocation
Power is redistributed automatically as additional devices are connected.
For maximum 140W single-port charging, use USB-C1 or USB-C2 individually.
Power Up to 5 Devices
JMFONE provides:
3 × USB-C
1 × USB-A
1 × Universal AC Outlet
Use one adapter for a laptop plus phones, tablets, cameras, gaming devices and everyday travel electronics.
The 140W model intentionally prioritizes higher charging power over simply maximizing the number of USB ports.
200+ Countries & Regions
Built-in Type A, C, G and I plugs cover many popular destinations across:
USA & Canada
Europe
United Kingdom
Australia & New Zealand
Japan
China
Singapore
UAE
and other destinations worldwide.
Not compatible with Type D outlets in India or Type M outlets in South Africa.
Up to 2500W AC Power
The universal AC outlet supports:
2500W Max at 250V
1100W Max at 110V
Use it with compatible electronics and travel appliances that support the destination's voltage.
Important: Not a Voltage Converter
JMFONE adapts the plug shape—it does not convert electrical voltage.
Before connecting hair dryers, straighteners, kettles, steamers or other high-power appliances, confirm the appliance supports the local voltage and remains within the adapter's rated limits.
Built for Safer Travel
Safety features include:
Dual 10A Fuses — Working + Spare
Safety Shutters
750°C Flame-Retardant Materials
Over-Current Protection
Over-Voltage Protection
Temperature Protection
Who Is JMFONE 140W Best For?
High-Power Laptop Users
Up to 140W from USB-C1 or USB-C2 provides more charging headroom for demanding USB-C laptops.
MacBook Pro & Professional Laptop Travelers
PD 3.1 and 28V/5A support make this the strongest laptop-focused option in the current JMFONE lineup.
Power Users
Ideal when maximum single-port charging performance matters more than having the greatest possible number of USB ports.
Business Travelers & Digital Nomads
Combine a high-power USB-C charger and international travel adapter into one device.
Which JMFONE GaN Adapter Should You Choose?
Choose 70W
if you value the convenience of a built-in retractable USB-C cable.
Choose 100W
for a balanced laptop + everyday multi-device travel setup.
Choose 120W
if you want more shared USB power across multiple devices.
Choose 140W
if your priority is maximum single-port USB-C laptop charging.
The best adapter isn't automatically the one with the most ports or the largest total number—it depends on what you actually carry.
