The Lohia Oma Star is powered by a 250 W BLDC Motor. The Lohia Oma Star takes 6-8 hours to get fully charged. It has a battery capacity of 20 Ah and has a claimed range of 60 km/charge.
For this, we would suggest you to get in touch with the authorized service center as that will be an appropriate point of contact to get assistance for your concern. You can check the service center details here.
It would be unfair to give a verdict about battery life as it depends on several factors such as proper maintenance timely service, usage, storage of the vehicle etc.
For the availability and price of the battery, we'd suggest you to connect with the nearest authorized service center. Click on the link and select your desired city for service centers.