SpyHunter backup battery location?

YeastLord

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Just read a thread that commented on the existence of a backup battery on the SpyHunter linear power supply. Should this be replaced? My SH doesn't look like anyone ever opened the back door let alone did any hackery/reworking.

-Thanks for the help
 
it's on the power supply in the corner by the couple white plugs. if you're seeing green stuff or the solder looking like concrete, the battery has done its dirty work already.

it will be a blessing in disguise if this has happened and the game still works however, cause usually it gets in one of the plugs and that's how you lose enough voltage the game won't work at all.
 
The original battery is a white colored ni-cad and it is mounted on the power supply board. Hopefully yours has not eaten the board from corrosion.
 
i personally either replace the ni-cad and locate it off the pcb or i pull a resistor and put a diode in place to block the charging going to the battery and mount a CR2032 or similar 20mm battery holder.
 
That's the very first thing you should check on an MCR game. That battery will eat the linear power board given time.

Off board mounted cordless phone battery for the win. Put it in a plastic baggy and then a little box or tray.

You just clip the wires to the battery mounted on the board and solder wires in their place to the battery and you're done.

Just make sure you get a 3.6v NiCd phone battery.
 
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i prefer button batteries. they don't leak and have good life spans

Ha, I just replaced a leaking button battery yesterday in my calculator. I have the bottle of vinegar right here I was using to neutralize the battery leakage. Believe me, on board batteries are a bad idea whether it's the original NiCd or a button battery.

I crimped on a mating connector on my battery wires so about every 4-5 years I'll power the game up and unplug my battery and plug the a new one in. High scores and configuration info is kept that way and I could safely push that NiCD > 10 years because I don't have that game on very much so it won't be overcharged. And even if it did leak, it's safely contained well away from the boards.
 
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Thanks guys. Just grabbed a phone battery. The pics are super helpful.

Thanks again.
 
Thanks guys. Just grabbed a phone battery. The pics are super helpful.

Thanks again.

If you happen to have a phone that will charge the battery, I charge it first. Otherwise you'll need to leave it on for a bit to charge it.
 
Blocking diodes are a great thing to put on these. Unless you're saying your battery needs to be charged.

no you only go with a blocking diode if you want to stop the charging. With a cordless phone battery you want it to charge.

What you really want is some charging but not to relentlessly overcharge it like what happened to the original.

In light home use it shouldn't be a problem unless you're leaving it on all the time. and even then I would just swap it more often.
 
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