Be Wary of Cheap USB-C Phone Chargers, Experts Warn

By the Editorial Team · Thursday, July 16, 2026

Experts warn that the shift to USB-C ports in iPhone 15 and 16 models has led to an increase in the use of low-quality third-party cables, which can cause charging failures and potential device damage. Using certified chargers from reputable brands is crucial to ensure safety, proper power delivery, and to extend the lifespan of smartphones.

As more consumers transition to USB-C charging ports, particularly with the release of iPhone 15 and 16 models, experts are cautioning against the use of inexpensive third-party cables and chargers. Faulty accessories, often purchased online from unverified sellers, at gas stations, or bundled with inexpensive electronics, have been linked to devices failing to power on or charge properly.

Apple’s switch from its proprietary Lightning port to USB-C has enabled faster charging and broader compatibility, but it has also made it easier for consumers to buy substandard replacement cables. Specialists emphasize that low-cost charging accessories may not meet necessary safety and performance standards, potentially causing device damage or even fire hazards.

Reliable charging equipment typically carries the official Certified USB logo, indicating adherence to strict certification and testing protocols. Brands such as Anker and Belkin are frequently cited as trusted sources of these certified cables and chargers. According to industry experts, high-quality adapters deliver the correct voltage and incorporate design features that manage heat effectively, such as metal components and a heavier build. In contrast, poorly constructed adapters may supply inconsistent voltage, risking harm to device circuitry.

Gallium nitride (GaN) chargers, while more expensive, have gained attention for delivering more efficient power in a lighter, compact form factor. Properly designed cables also feature internal wiring that facilitates communication between the charger and a device’s battery management system. This communication is crucial to prevent overheating by allowing the device to regulate the amount of power received and disconnect the supply if necessary.

Consumers are urged to treat unusually cheap cables and charging bricks with caution. The president of the USB Implementers Forum recommends closely inspecting cables upon purchase and notes that items sold for prices lower than a typical soda at convenience stores should be viewed skeptically.

Experts conclude that investing in certified, high-quality charging accessories not only safeguards device functionality but also prolongs the overall lifespan of smartphones, ultimately reducing the risk of costly repairs or replacements.

This article was reported by synthesizing coverage from multiple independent news outlets to present a balanced, unbiased account. Read about our editorial standards. Spotted an error? Let us know.