For the VIVO Y100 5G mobile phone, if you're looking for a suitable 4500mAh battery with the model B-X8, here's what you should keep in mind:

1. Battery Compatibility:

   • The VIVO Y100 5G may have a specific battery model designed for it. While a 4500mAh capacity is standard for modern smartphones, it's essential that the replacement battery matches the battery model number, connector type, voltage, and dimensions of the original battery to ensure compatibility.

   • If you're referring to a B-X8 model, ensure that it's specifically for the VIVO Y100 5G and not a different device. Double-check with the supplier or manufacturer to confirm the battery's compatibility.

2. Battery Features:

   • Capacity: A 4500mAh capacity provides a good balance between battery life and size for a 5G smartphone.

   • Voltage: Typically, phone batteries are 3.7V, but check the exact voltage of your original battery to make sure they match.

   • Type: Ensure the battery is a Lithium-ion (Li-ion) or Lithium-polymer (LiPo) type, as they are commonly used in smartphones due to their reliability and longevity.

3. Source and Quality:

   • Genuine or OEM: For the best performance, it's recommended to look for genuine or OEM (Original Equipment Manufacturer) batteries. These are designed for specific models and provide better overall quality and safety.

   • If you're purchasing from a supplier, verify their reputation, the quality of their batteries, and any available warranties.

   • Aftermarket batteries can sometimes be less reliable, so ensure the seller has positive reviews and that the battery meets relevant safety standards (UL, CE, RoHS).

4. Installation:

   • Replacing a battery in a modern smartphone like the VIVO Y100 5G can be tricky and might require professional assistance unless you have experience. It’s recommended to get it done by an authorized service provider or a technician.

5. Considerations for Foreign Trade:

   • If you're looking for bulk purchase options (factory wholesale), it's advisable to find suppliers who specialize in mobile phone parts and accessories, especially with international shipping experience. Ensure that any lithium-ion batteries you order comply with international shipping regulations (such as IATA for air transport).

To summarize, confirm the exact specifications and compatibility of the B-X8 battery with your VIVO Y100 5G, and ensure you source it from a trusted supplier for quality and safety assurance.