ND Completely dead

Technical Area Electrics & ICE
1
  1. My model of MX-5 is: ND
  2. I’m based near: _Nottingham
  3. I’m looking for technical help or recommendations on: Had the dreaded window governor issue on friday, jammed half open. Had a quick look at whats required by removing door card and unplugging window control cable. Put a car cover on in case it rained. Came to it this morning and the car is completely dead. Anyone got any ideas?
2

Flat battery?

3

Just measured the battery voltage. 2.4v. So I’m assuming its new battery time!