Connectors: Check if all connectors (USB-A, USB-C, Lightning, Micro-USB) are firmly attached and free of visible damage.
Cable Build: Assess the silicone material for flexibility, durability, and resistance to bending or wear.
2. Charging Performance
Single Device Test:
Connect each connector type to a compatible device.
Use a power adapter that supports fast charging (if applicable).
Measure the charging speed with a USB power meter to check voltage (V) and current (A).
Multiple Devices Test:
Charge multiple devices simultaneously to see if the cable maintains consistent performance without overheating or significant drops in speed.
3. Data Transfer Speed
Single Transfer Test:
Connect the cable to a computer and a compatible device (e.g., smartphone, external drive).
Transfer a large file (e.g., 1GB) and measure the time taken.
Compare with Standards:
Compare the observed speed with the advertised data transfer rate (e.g., USB 2.0 = ~480 Mbps, USB 3.0 = ~5 Gbps).
4. Compatibility Check
Test the cable with a range of devices:
USB-C: Newer smartphones, tablets, and laptops.
Lightning: iPhones, iPads, and AirPods.
Micro-USB: Older Android phones, headphones, and accessories.
Ensure each connector works
5. Durability Testing
Bend Test:
Repeatedly bend the cable near the connectors (e.g., 90-degree bends) to ensure it can withstand daily use.
Tensile Strength: Gently pull on the cable to ensure it doesn’t break or detach easily.
Temperature Test: Use the cable during extended charging sessions to check for excessive heat buildup.
6. Safety and Compliance
Overload Protection:
Use a multimeter or power meter to check if the cable handles higher current loads safely.
Certification Check:
Look for certifications like MFi (for Apple devices), USB-IF, or RoHS, indicating adherence to quality standards.
7. Tangle Resistance
Wrap and unwrap the cable several times to check if it resists tangling and retains its flexibility.
8. Real-World Use
Use the cable over a week in different scenarios, such as charging on-the-go or syncing files, to evaluate its practicality and durability.
How to test the performance of Magnetic USB Cable
1. Physical Inspection
Connectors: Check if all connectors (USB-A, USB-C, Lightning, Micro-USB) are firmly attached and free of visible damage.
Cable Build: Assess the silicone material for flexibility, durability, and resistance to bending or wear.
2. Charging Performance
Single Device Test:
Connect each connector type to a compatible device.
Use a power adapter that supports fast charging (if applicable).
Measure the charging speed with a USB power meter to check voltage (V) and current (A).
Multiple Devices Test:
Charge multiple devices simultaneously to see if the cable maintains consistent performance without overheating or significant drops in speed.
3. Data Transfer Speed
Single Transfer Test:
Connect the cable to a computer and a compatible device (e.g., smartphone, external drive).
Transfer a large file (e.g., 1GB) and measure the time taken.
Compare with Standards:
Compare the observed speed with the advertised data transfer rate (e.g., USB 2.0 = ~480 Mbps, USB 3.0 = ~5 Gbps).
4. Compatibility Check
Test the cable with a range of devices:
USB-C: Newer smartphones, tablets, and laptops.
Lightning: iPhones, iPads, and AirPods.
Micro-USB: Older Android phones, headphones, and accessories.
Ensure each connector works
5. Durability Testing
Bend Test:
Repeatedly bend the cable near the connectors (e.g., 90-degree bends) to ensure it can withstand daily use.
Tensile Strength: Gently pull on the cable to ensure it doesn’t break or detach easily.
Temperature Test: Use the cable during extended charging sessions to check for excessive heat buildup.
6. Safety and Compliance
Overload Protection:
Use a multimeter or power meter to check if the cable handles higher current loads safely.
Certification Check:
Look for certifications like MFi (for Apple devices), USB-IF, or RoHS, indicating adherence to quality standards.
7. Tangle Resistance
Wrap and unwrap the cable several times to check if it resists tangling and retains its flexibility.
8. Real-World Use
Use the cable over a week in different scenarios, such as charging on-the-go or syncing files, to evaluate its practicality and durability.
The difference between USB2.0 cable and USB3.0 cable
1. Data Transfer Speed:
USB 2.0: Offers a maximum data transfer rate of 480 Mbps.
USB 3.0: Supports much faster data transfer speeds, up to 5 Gbps, which is about 10 times faster than USB 2.0.
2. Power Delivery:
USB 2.0: Can deliver up to 2.5 watts of power (5V, 0.5A).
USB 3.0: Provides more power, up to 4.5 watts (5V, 0.9A), which allows faster charging and better support for power-hungry devices.
3. Physical Design:
USB 2.0: Typically has a simpler connector design with four pins for data and power.
USB 3.0: Features an upgraded connector with nine pins, adding extra lines for higher-speed data transmission and improved power handling.
4. Backward Compatibility:
USB 3.0 is backward compatible with USB 2.0, so you can use a USB 3.0 cable in a USB 2.0 port, but you’ll get the slower data transfer speeds of USB 2.0.
How to test the performance of Magnetic USB Cable
1. Test Charging Speed
You’ll need:
A USB tester/multimeter (to measure voltage and current).
A device that supports fast charging (if applicable).
A compatible power adapter.
Steps:
Connect the Cable:
Plug the cable into a power adapter and your device.
Insert the USB tester between the adapter and the cable.
Measure Output:
Observe the voltage (V) and current (A) displayed on the tester.
Compare the results with the specifications of the cable and your device's charging capability.
Check Fast Charging:
If your device supports fast charging, ensure the cable delivers the required power (e.g., 9V/2A or 12V/1.5A for fast charging).
Verify if the device displays a "Fast Charging" indicator.
2. Test Data Transfer Speed
You’ll need:
A computer with a USB port.
A file (e.g., a video or folder) to transfer.
A device with storage capability (phone, external drive, etc.).
Steps:
Connect the Cable:
Plug the cable into your computer and the device.
Transfer a File:
Start a file transfer from the computer to the device or vice versa.
Use a stopwatch to time how long the transfer takes.
Calculate Speed:
Use the file size and transfer time to calculate the speed: Speed=File Size (in MB)Time (in seconds)\text{Speed} = \frac{\text{File Size (in MB)}}{\text{Time (in seconds)}}Speed=Time (in seconds)File Size (in MB)
Compare the speed with the cable's advertised data rate (e.g., USB 2.0 supports up to 480 Mbps, USB 3.0 up to 5 Gbps).
3. Test Build Quality
Steps:
Inspect the Cable:
Check the connectors for sturdiness.
Look for reinforced stress points near the connectors.
Examine the cable’s material (e.g., braided cables are more durable).
Flexibility and Durability:
Bend the cable gently to check flexibility.
Tug lightly to ensure the connectors stay intact.
Magnetic Strength (for magnetic cables):
Attach the magnetic tip and see if it holds securely during regular use.
Test how easily it detaches to avoid accidental disconnections.
4. Evaluate Heat and Safety
Monitor Temperature:
Charge a device for 15–30 minutes and touch the cable. Excessive heat indicates poor quality or inefficiency.
Check for Overheating Alerts:
Ensure neither the cable nor the device displays overheating warnings.
5. Compare with Other Cables
If you have another cable with similar specifications, compare performance metrics like charging time and data transfer speed to determine if your cable performs as expected.
Charge Your USB-C Phone or Tablet with Our Magnetic USB Cable
· Wall charger · Car charger · Power bank · Laptop
Applications:
· Tablet · Laptop / Notebook / PC /desktop · Monitior / Display device · Cell phone / mobile phone
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.
Free Sample
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!
Thick copper core
USB2.0 Cable----High-quality copper wire, more stable transmission and charging
Smart Chip
USB 20. Cable----Full intelligent charging, smarter and safer
Compatibility
USB 2.0 Cable----Suitable for most devices
Important Notes:
This is USB C to USB C 3.1 Gen 2 Cable, fully compatible with USB C 3.1 Gen 2 Port and Thunderbolt 3 Port. The video function only works for those devices whose USB-C port supports DP Alt Mode. Up to 100W 20V@5A Pass through supporting Power Delivery, comparable to the full speed original cord (Actual charging speed depends on your device and wall charger, with 96W original charger at a full 96W, with 45W original charger at a full 45W)
Flexi Manufacturer
30
+
Employees
1800
+
Factory area(㎡)
5,000,000
+
Export 2024(USD)
6
production line
standardized workshops
ABOUT US
Founded in 2011, Flexi has grown to become a leading USB manufacturer over the past decade through continuous innovation and improvement. We committed to producing high-quality USB products and providing the best products and services to hardware developers, retailers, and wholesalers.
Ensuring the quality of raw materials is our most basic principle. We have a stable and strong USB component supply chain and have always cooperated with-leading suppliers.
Customized Service
We can easily complete the process of program design, product modeling, sample production and mold design. After the customer is satisfied, we can quickly massce with the help of our factory. We also support customized inventory products of different specifications.
Multiple Testing
All products are tested multiple times during final production. We have different test procedures for different types of products, such as USB cables, which have to go through plug-in test, salt spray test, swing test, etc.
FAQs
7*24 Hours Service
If you have any questions, please contact us immediately. We will provide you with detailed wire customization services. Moreover, we specialize in producing USB31 cables and are committed to providing true transmission rates of 10Gbps~20Gbps in our product research and development.
How to customize wires in the early stage?
1. Based on Requirements;
2. Based on Drawing
3. Logo Printing or not
For instance, let's take the USB3.1 cable as an example. If you are unaware of the specific specifications, we will first provide the specifications. Once the conditions are met, we will provide the drawings. You can then test the samples. Once approved, you can place your order.
How do you provide after-sales service?
We conduct 100% three-stage testing on every wire we export: ① Testing after welding ② Testing after inner mold injection ③ Finished testing Therefore, if there are any quality issues at the terminal, we can replace it free of charge for you.