What is the performance of battery operated bikes?

Poor. Worse than a bicycle. They are improving slowly, though.

Never go for electric vehicles. Will end up spending 10 times of the petrol savings on replacing batteries. We are spending rs.8000 on batteries for every 2000 kms on my dad's vehicle. And resale value u get is comparable to a bicycle

Hi, Hero E -Sprint is one of the best electric bikes available in India. The bike has sealed lead acid battery, battery type- VRLA 33AH/48V, full battery charging time- 8 hours, Motor Output - 800 W (1500 W-Peak). The bike can cover 65 km in full battery charge and has top speed of 45 kmph and can carry 2 adults and costs 34,990 rs
(Ex-showroom) Mumbai.
In my personal opinion don't buy electric bikes because they are not worth for money and has high maintenance costs and has very poor performance and resale value.