My Trek weighs 23 lbs. My wife's Terry even less. We throw them in the back of the truck when traveling.
A few friends have Specialized EBikes that weigh under 35 lbs but they are battery Assist, you still have to peddle.
If you must have a battery look at Assist Ebikes. Much lighter.
https://electrek.co/2020/02/05/speci...weight-e-bike/