ACEFAST C21-04 USB-A to USB-C Charging Cable with 3A Fast Charging

Charging speed and durability rarely go hand in hand — until now. The ACEFAST C21-04 USB-A to USB-C charging cable delivers a steady 3A output, so your phone, earbuds, or power bank tops up quickly without waiting around for hours. Whether you're plugging into a wall adapter, a power bank, or a laptop's USB-A port, this cable handles both charging and data transfer with equal ease.

Built with aluminum alloy connectors and a nylon-braided exterior, this acefast charging cable is designed to survive daily wear — from tangled bags to years of plugging and unplugging. A subtle 7-color gradient indicator adds a modern touch, letting you spot your cable instantly in a drawer full of look-alikes.

Whether you're charging overnight at home, topping up at your office desk, or syncing files on the go, the C21-04 keeps things simple: fast charging, reliable data transfer, and a build that's made to last.

Key Features

• 3A High-Power Charging — Delivers up to 3A of charging current, so your devices reach full battery noticeably faster than with standard cables.

• 7-Color Gradient Indicator — A soft, shifting LED glow makes the cable easy to identify and adds a premium, modern look to your setup.

• USB2.0 High-Speed Data Transfer — Move photos, videos, and files between your phone and computer without needing a separate data cable.

• Aluminum Alloy Connectors — Reinforced metal housing at both ends resists bending stress and reduces wear from frequent plugging and unplugging.

• Nylon Braided Wire — A tightly woven exterior resists tangling, fraying, and everyday abrasion, extending the cable's usable lifespan.

• 10,000 Bend Test Rated — Engineered and tested to withstand thousands of flex cycles, so it holds up to daily commutes and travel.

• Multi-Certified Safety — FCC, CE, RoHS, and EAC certified, giving you peace of mind that the cable meets recognized international safety standards.

Why Choose ACEFAST C21-04 USB-A to USB-C charging cable

The ACEFAST C21-04 USB-A to USB-C charging cable is built for people who are tired of replacing cheap cables every few months. The aluminum alloy connectors and nylon braid mean it can handle being stuffed in a bag, wrapped around a power bank, or yanked out of a wall socket without fraying at the ends — a common failure point in ordinary cables.

At 3A, charging feels noticeably quicker than with basic 1A or 2A cables, which matters when you're rushing out the door or squeezing in a charge during a lunch break. Add USB2.0 data transfer, and this single cable covers both charging and syncing — no need to carry two separate cables.

For anyone shopping for an acefast charging cable that balances speed, durability, and everyday practicality, the C21-04 is a low-effort upgrade that pays off in daily use.

Best Use Cases

• Home — Keep one by your bedside or living room outlet for fast overnight charging.

• Office — Charge your phone at your desk while transferring files to your laptop.

• Travel — The braided design resists tangling in bags, making it a reliable travel companion.

• Students — Quick charging between classes, plus data transfer for assignments and media.

Technical Specifications