Renewable USB2.0 Data Cables

1. Composition of the Core

• Copper Wires: High-quality charging cables typically use copper as the main conducting material due to its excellent conductivity and relatively low resistance. Copper cores enable faster charging and data transfer.

• Aluminum or Copper-Clad Aluminum (CCA): Some lower-cost cables may use aluminum or CCA instead of pure copper. While these are more affordable, they have higher resistance and may not support high-speed charging as effectively as pure copper.

• Tinned Copper: Cables may feature tinned copper wires, which are copper wires coated with a thin layer of tin. This type of core resists oxidation and corrosion better, extending the lifespan of the cable.

2. Number of Strands and Gauge Size

• Stranding: The core may consist of many thin strands twisted together to form a single conductor. This stranding improves flexibility and reduces the risk of the cable breaking when bent repeatedly.

• Wire Gauge (AWG): The thickness of the conductor is measured in American Wire Gauge (AWG). A lower AWG number indicates a thicker wire, which can handle more current and provides faster charging capabilities. For example, 24 AWG wires are commonly found in standard charging cables, while thicker, faster-charging cables may use 20 AWG or lower.

3. Shielding and Insulation

• Shielding Layers: To protect against electromagnetic interference (EMI) and enhance data transmission quality, charging cables often include shielding layers made of foil or braided wire around the core. This prevents external signals from distorting the charging or data transfer.

• Insulation: Each conductor within the core is wrapped in an insulating material (often PVC or thermoplastic elastomer) to prevent short circuits and ensure safe operation. High-quality cables may use durable, flexible insulation to maintain performance over time.

4. Data and Power Lines

• Separate Power and Data Lines: The core of a charging cable typically contains distinct lines for power transmission and data transfer. The power lines are responsible for carrying electrical current, while the data lines handle the transmission of information between connected devices.

• Balanced Design: A well-designed core balances the power and data wires to ensure reliable charging and data sync capabilities.

5. Fast Charging Support

• Enhanced Conductors: Cores designed for fast charging are often made of thicker wires or use multiple conductors to handle higher currents without overheating.

• Compatibility: Fast charging cables may be certified to support specific standards such as USB Power Delivery (PD) or Qualcomm Quick Charge. The cable core must be engineered to match the required specifications to safely handle the increased power load.

6. Durability and Reinforcement

• Reinforced Cores: Some high-end charging cables use reinforced cores, with materials like aramid fiber (e.g., Kevlar) wrapped around the conductors for extra durability. This reinforcement helps protect against wear and tear, ensuring the cable maintains its performance over time.

• Strain Relief: The ends of the cable, where the core connects to the connectors, may include additional support to reduce the risk of breakage at common stress points.

7. Multi-Core Configurations

• Parallel or Braided Design: Multi-core cables may use parallel or braided configurations of individual conductors to optimize current distribution and minimize resistance.

• Quad-Core or More: Advanced cables, such as those designed for fast charging or high-speed data transfer, may have quad-core or multi-core configurations for better performance and reliability.

1. Check Charging Speed

• Use a USB Power Meter: Connect the cable to a USB power meter to monitor the voltage and current. This tool measures how much power is delivered to the iPhone. Compare the results with the expected performance (e.g., for fast-charging, you should see around 18W for supported iPhones).

• Time the Charging: Fully deplete your iPhone battery and use the cable to charge it from 0% to a known percentage, such as 50%, while noting the time taken. Compare this with the charging times of an original Apple cable or a known high-quality cable.

2. Test Data Transfer Speed

• File Transfer Test: Connect your iPhone to a computer using the cable and transfer a large file (e.g., a video) to and from the device. Measure how long it takes to complete the transfer. The performance should align with the data transfer rates typical of USB 2.0 or higher, depending on the cable specifications.

• Use Software Tools: Utilize tools like iMazing or iTunes to transfer data and monitor the transfer speed to detect any significant delays or interruptions.

3. Inspect Build Quality

• Visual Inspection: Check for a secure connection at the joints where the connectors meet the cable, as these are common points of wear and tear. Look for reinforced ends or braided designs that indicate better durability.

• Flexibility Test: Bend the cable at various angles to see how well it withstands movement. A high-quality cable will flex without showing signs of wear or fraying.

4. Check for Certification

• MFi Certification: Ensure the cable is MFi (Made for iPhone) certified, which indicates it meets Apple’s standards for compatibility and safety. Non-certified cables might not perform consistently or could pose a risk to your device.

5. Test with Different Devices

• Multiple iOS Devices: Test the cable with different iPhones or iPads to ensure it consistently performs across various models.

• Compatibility with Accessories: Use the cable with external accessories like car chargers or power banks to check if it performs well in different environments.

6. Observe Heat Levels

• Monitor for Excessive Heat: During both charging and data transfer, check if the cable or the device gets unusually warm. Excessive heat can indicate inefficiencies or poor cable quality.

7. Real-World Usage

• Daily Use Test: Use the cable as you normally would for a week or more. Monitor for any intermittent disconnections, reduced charging speed, or signs of damage.

· Wall charger
· Car charger
· Power bank
· Laptop

· Audio device / Speaker / earphone / head phone / headset

We offer customizable label options that can increase your brand's visibility on our USB C cables. Whether you need a specific design or packaging type, our is ready to assist you.

Flexi Electronics is committed to providing an excellent customer experience, which is why we offer free samples of our USB C cables. This allows you evaluate our product quality before making a commitment, ensuring you are satisfied with your choice.
Choose Flexi for a reliable, high-quality USB C to USB C cable3.1 Gen 2 solution tailored to your business needs!