Smartphone brand Motorola has expanded the range of modular accessories for its Moto Z phones called 'Moto Mods'. The new Mods include a $65 (approx ₹4,400) car dock to mount the phone in a car, charge its battery and connect it to the audio system and a $80 (approx ₹5,400) battery pack with a 3,000 mAh battery.