Restoring RARE Casio Heli-Battle Console - Retro Game Restoration -

Restoring RARE Casio Heli-Battle Console – Retro Game Restoration

Odd Tinkering
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In this video I restore rare Casio Heli-Battle Handheld console. In 1980’s Casio better known for their calculators and watches made also gaming consoles such as this Heli-Battle game. These days, they go for high prices on Ebay if they are in good condition.

This is a very basic restoration. AS you can see sometimes it’s very useful to remove desolder parts like I did. Because I was able to remove the back of the shell completely and the speaker with the housing it was much more easier to detach the speaker and the battery contacts. But it’s always important to make sure you can actually solder the parts back in. Sometimes a part can be so hard to solder back that you want to avoid desoldering it at all costs.

After the console was disassembled I cleaned the parts with soapy water. I had also looked online that the console should be clearly lighter color so I decided to give it the deyellowing treatment. The console was never gray or white like the Gameboy or some other consoles so it won’t turn like that in this process. All colors of plastic Yellow but based on my experience besides gray and white, blue and green seem to be usually visibly most discolored plastics, also I’ve seen pink turn brown many times. Few times I’ve also seen black turn to sort of dark green color. This process will work to restore all of those colors, however if the original color in the plastic has faded this method won’t fix that, it only removes the yellow/brown discoloration. Here is my tutorial for the process:

I cleaned the board with isopropyl alcohol. The battery contacts were nickel plated again to prevent the corrosion from reoccurring. I also replaced one of the wires going to the battery contacts. Usually negative wire is black and positive is red, like you can see on the speaker. So I know the wire has been replaced by someone at some point. Now it looks like more professional and someone else who might repair the console ion the future will not mix the wires up as easily.

During the assembly also made new glue for the lens from double sided tape. This is a great way to reattach parts that need custom shaped pieces of tape.

Thanks for watching my video!

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Screw driver set:
Prying tools:
Hydrogen peroxide:
UV LED strip:
99.9% isopropyl alcohol (IPA):
Power source (for leds):
Wire stripping tool:
Soldering station:
Restoration playlist▶



  1. I love watching you work. It's so satisfying!

  2. can you fix the hardest one, dead fixel maybe??

  3. Any advice on changing the polariser to bring back the dark sprites? Thanks for the video as it cleared up way I can’t remove the play screen.

  4. Is there any way you could fix the faint sprite on the screen?

  5. Damn bro!! I used played this console when I was in primary school

  6. Hello, I'd like to get this screwdriver set but the link you post just brings me to Amazon's home page every time I try it

  7. Now we know that ductor is a street fighter too

  8. the only raid sponsor I have actually fully watched

  9. Why does he put location as USA when he lives in finland?


  11. The image of the Ductor wearing tin foil armor with a toy sword next to him was my favorite part.

  12. Hey where do you find such faulty and broken things?

  13. Had to skip the Raid ad, because not even the Ducktor is safe from it. ;m;

  14. what’s that stuff you put on with the small white brush before soldering?

  15. Niiiiiice ! But what is that product you put with somekind of brush before you weld ?

  16. Why epoxy on the speaker? Now in 30 years time it won't be reversible.

  17. That should be a shirt "isopropyl alcohol, softens the glue"

  18. This game seems like it was made for kids who really hate their parents.

  19. Anyone wondering the theme song is, it's ride of the Valkyrie's

  20. 34 ปี เก่ามากๆ

  21. What percentage does your iso have? I used mine on some snes roms, but it was too strong..started to dissolve quickly.

  22. I really like your accent! It was my first time hearing you speak. What's your ethnic background?, if you don't mind me asking..

  23. Es necesario el patico de hule ? Is the rubber duck necessary?

  24. I have a similar machine but it is a baseball one and thanks to your videos I managed to restore it to 100%, it was like new even if I did not use the little duck but it still worked thanks friend.

    I am from Venezuela and I do not know how to write well in English but I defend myself, greetings

  25. I miss these old games that you play for 45 seconds get mad and walk away. Nostalgia is a devil my friends.

  26. damn! how you can find this game? it was a legend! goodjob bro!

  27. I feel like Japanese electronics are more beautiful from outside & inside in contrast to today's Chinese ones.

  28. Well done, congratulations.

    The screen looks a bit fade, maybe it's the camera. But have you tried to power the device with "real" 1.5 v batteries ? I remember having issues with the 1.2 v of rechargeable ones…


  30. Should have asked you to fix my GTX 960 GPU for my PC. I bet you could have.

  31. The restoration was good until that thing produce sounds 🤣🤣🤣

  32. The milky honey frustratingly jog because range intracellularly apologise from a halting tulip. adamant, easy hexagon

  33. oh my GOD no way!!! I had one of these growing up, in BRAZIL lol, I think i still have it stashed somewhere, holy crap the memories

  34. A friend of mine had one of these when we were kids, I remember thinking it was awesome at the time, it reminds me of those old LCD games from Radio Shack, I used to want one of those so bad for a bit there, but we were pretty poor growing up.

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