ESR for MagSafe Car Mount Charger for sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

Fast Charging: 15W MagSafe iPhone charging gives you safer, more reliable charging at faster speeds Secure Magnetic Lock: Powerful ring of magnets with 1,400 g of holding force keeps your phone securely in place, even on bumpy roads; an official MagSafe case or ESR magnetic case is recommended for rough terrain