Battery and Charging System Battery and Charging SystemUpdated: March 8, 2023 Model 3 drive unit & body is designed like a commercial truck for a million mile life. Current battery modules should last 300k to 500k miles (1500 cycles). Replacing modules (not pack) will only cost $5k to $7k.— Elon Musk (@elonmusk) April 13, 2019 Assuming this is the Model 3 long-range Musk is referencing, 1500 charging cycles would translate into 500,000 miles.