This battery is designed specifically for your Infinix Hot 4 (X557) to deliver reliable and long lasting power. This battery can be used as a replacement or extra battery for your phone, offers longer battery life, it is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind on hand when you need it.This battery is designed specifically for your Infinix Hot 4 (X557) to deliver reliable and long lasting power. This battery can be used as a replacement or extra battery for your phone, offers longer battery life, it is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind on hand when you need it.This battery is designed specifically for your Infinix Hot 4 (X557) to deliver reliable and long lasting power. This battery can be used as a replacement or extra battery for your phone, offers longer battery life, it is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind on hand when you need it.This battery is designed specifically for your Infinix Hot 4 (X557) to deliver reliable and long lasting power. This battery can be used as a replacement or extra battery for your phone, offers longer battery life, it is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind on hand when you need it.This battery is designed specifically for your Infinix Hot 4 (X557) to deliver reliable and long lasting power. This battery can be used as a replacement or extra battery for your phone, offers longer battery life, it is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind on hand when you need it.