ezviz c3a

Hi, Is it possible to change camera (C3A) serial number? I was thinking to use CFG files from Ezviz PC studio or Hikvision device network SDK. I know I am missing correct check sum, but have no ide, where is located check sum for S/N. Or is there another possibility to change SN e.g. serial...

I'm looking to secure a property which doesn't have internet, and I'd like to place cameras around a perimeter which will not have power cabling or much sunlight. I could possibly mount a battery, but solar will not charge in many of these areas so I anticipate changing batteries every few...