carfobbattery

Mitsubishi Eclipse key fob battery

8 of the 17 model years listed for the Mitsubishi Eclipse have a proven battery. The most common answer is CR2032. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.

  1. 1996-1998Unknown

    Not confirmed yet

  2. 1999Remote (separate)

    Not confirmed yet

  3. 2000-2001Remote (separate)

    CR2032

    FCC ID HYQ12ABA

    Two sites agree: uhs-hardware.com and bestkeysupply.com (checked Nov 1, 2026)

    Find CR2032 on Amazon
  4. 2002-2005Remote (separate)

    CR2032

    FCC ID OUCG8D-525M-A

    Two sites agree: uhs-hardware.com and americankeysupply.com (checked Nov 1, 2026)

    Find CR2032 on Amazon
  5. 2006Key-head remote

    CR1620

    FCC ID OUCG8D-620M-A

    Two sites agree: uhs-hardware.com and americankeysupply.com (checked Nov 2, 2026)

    Find CR1620 on Amazon
  6. 2007Key-head remote

    CR1620

    FCC ID OUCG8D-620M-A

    Two sites agree: uhs-hardware.com and americankeysupply.com (checked Nov 1, 2026)

    Find CR1620 on Amazon
  7. 2008-2012Key-head remote

    Not confirmed yet

Changing the battery

Separate remote fob

  1. A separate fob has no key blade inside, so it opens with nothing but a coin or a small screwdriver.
  2. Turn it over: some older fobs use one small screw, newer ones just clip. Pry at the seam once any screw is out.
  3. Replace the cell, keeping the + side where it was, and check the small metal tab still touches it.
  4. Snap the case shut and watch for the lights to flash when you press lock at the car.

A CR2032 is 20 mm across and 3.2 mm thick. CR2032, CR2025 and CR2016 share the same width but not the same thickness, so a swap between them can leave a loose contact or a case that will not close.

Key with remote in the head

  1. Here the key blade and remote are one piece. You open the plastic head, not the blade.
  2. Work a thin flat tool into the seam near the blade and twist; go round slowly if it does not open at once.
  3. The coin cell is usually under or on the back of a small board. Keep the rubber button pad in place while you swap the cell.
  4. Snap it closed and press each button. The car still starts with a dead remote battery on most of these keys, because the start chip needs no battery.

A CR1620 is 16 mm across and 2.0 mm thick. It is easy to confuse with the 20 mm CR20xx sizes, which will not fit.

If a child might have swallowed a coin cell, treat it as an emergency and get to a hospital right away.

Other Mitsubishi models