Question

How can i increased the power of a battery i.e if the battery is of 9 volt then how can i make it of 50 volt( without changing it ) ? is there any method or device?

Answer 1

Please see the explanation below.

Explanation:

You are not increasing the power of the battery but the voltage.

Connect your battery to a `(DC)"/"(AC)` converter to convert `8 V "DC"` to `50V "AC"`

Then, you must use a rectifier to convert `50V "AC"` to `50V "DC"`

Answer 2

You need a transformer that an raise DC voltage from `9` volt to DC voltage `50` volt. However, this requires conversion to first AC and then back to DC as well.