USAMS SJ740 Laptop Charging Cable 2-in-1 Dual USB C Cable 60W PD + 12W Fast Charging for iPhone, Samsung, Lenovo, PC and Mac

The USAMS SJ740 2-in-1 USB-C to USB-C Fast Charging Cable is a premium dual USB-C charging cable designed to charge two USB-C devices simultaneously from a single USB-C power adapter. Supporting up to 72W total output, the primary USB-C port delivers up to 60W Power Delivery with data transfer, while the secondary USB-C port provides up to 12W charging. Equipped with an intelligent Super E-MARK chip, this 1.2-meter cable automatically manages power distribution for safe, efficient charging of smartphones, tablets, laptops, handheld gaming consoles, and other compatible USB-C devices.

Key Features

Product Description

The USAMS SJ740 2-in-1 USB-C to USB-C Fast Charging Cable is designed for users who need to charge multiple USB-C devices without carrying extra cables. Featuring dual USB-C output connectors, it allows you to charge two compatible devices simultaneously from a single USB-C Power Delivery charger.

The primary charging port supports up to 60W Power Delivery (20V/3A) and also supports USB data transfer, making it ideal for charging laptops, smartphones, and tablets while syncing files. The secondary USB-C port provides up to 12W charging, allowing you to power a second device at the same time.

Built with an intelligent Super E-MARK chip, the cable automatically negotiates the correct voltage and current for connected devices while intelligently managing total output. Once the battery approaches approximately 80% charge, the charging system switches to trickle mode to help reduce battery stress and improve long-term battery health.

With a practical 1.2-meter (4 ft.) length, the SJ740 is suitable for home, office, travel, and business use, offering convenience without compromising charging performance.

Specifications

Compatible Brands

Apple, Samsung, Google, OnePlus, Xiaomi, realme, OPPO, vivo, ASUS, Lenovo

Compatible Devices

Smartphones, Tablets, USB-C Laptops, MacBooks, iPads, Gaming Consoles, Steam Deck, Nintendo Switch, Power Banks, USB-C Accessories

Package Contents

Why Choose the USAMS SJ740?

• Charge two USB-C devices with one cable
• Up to 72W total charging output
• 60W USB-C PD fast charging
• Supports charging laptops and smartphones
• Data transfer supported on the primary port
• Intelligent Super E-MARK chip
• Automatic power management
• Battery-friendly trickle charging
• Compact and travel-friendly
• Wide compatibility with USB-C devices

Frequently Asked Questions

Can I charge two devices at the same time?
Yes. The SJ740 supports simultaneous charging of two compatible USB-C devices.

Does both ports support 60W?
No. The primary USB-C port supports up to 60W, while the secondary port supports up to 12W. The combined output is up to 72W.

Can both ports transfer data?
No. Only the 60W USB-C port supports data transfer.

Can I charge a laptop and phone together?
Yes. You can charge a compatible USB-C laptop using the 60W port while charging a smartphone or another USB-C device using the secondary port.

Does it support MacBook charging?
Yes. The primary 60W USB-C PD port supports charging compatible MacBook Air and other USB-C laptops within the supported power range.

Is the cable safe for continuous charging?
Yes. The built-in Super E-MARK chip manages voltage and current automatically and switches to trickle charging when appropriate.