I have power beats pro model A2048, my right side ear piece shows fully charged but in few minutes it is dead.

Hello lata7761,

try these possible solutions:

Reset your Beats earphones

Reset your Beats earphones - Apple Support

Try performing a „Force Restart“, which can sometimes fix the issue. Force restart iPhone – Apple Support

If you run into any issues, please contact Apple Support.

https://support.apple.com/contact

Best regards,

dotec