140W PD 3.1 Super Fast Charging: This Magnetic Gen 3 charging cable delivers 140W PD 3.1 super fast charging speed as OEMs, this usb c to Mag-Safe 3 cable powers your MacBook efficiently with a 96W or 140W adapter, reaching 50% in just 30 minutes. NOTE:While using certain power adapters, a slight 15-20 second delay in the charging process might occur due to our magnetic safety mechanism, but rest assured, it's a sign that your laptop is being well-protected