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Converting battery power to wall outlet?...


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I'm not sure if this is even feasibly possible, but I figured I'd get the best answer here. I have decorations that are battery-operated that I would like to put on an onn/off timer. To do this it would obviously need to be plugged in to the timer. Is there any way to modify a battery-operated decoration so it can be plugged into the wall and just run off of that electricity instead?

 

Thanks.

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I have done this to many of my wife's decorations inside.  Save's a lot of $$$ in batteries.  I look for cheap used plugs, cut the Power Connector Tip off and solder the wires to the battery connectors on the decoration.  (Not the batteries) Just make sure to connect + to + and - to -.  Sometimes I drill a small hole in the battery door for the wire to go through.

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I convert my battery operated items to ~AC~ power using wall adapters{warts} as well.  Just make sure the output voltage of the wall adapter is the same as the unit being converted.  

 

I usually install a small jack that mates to the adapters output jack/plug in the item being converted, but I also use and add in a Full Wave Diode Bridge{FWDB} to prevent any accidental reverse voltages from occurring since some adapters are wire reversed of others.  

 

Just connect the new DC jack to the ~AC~ terminals of the FWDB, then connect the + from the FWDB to the + of the battery box contact or PC board + from the battery box contact, - from FWDB goes to - battery box contact.  

 

This way you can use any adapter with the correct voltage to power the device no matter how it's output may be wired.

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It's not quite the same, but I found a battery-powered jack-o-lantern that I wanted to use in my show. I found the simple method was to simply remove the battery holder and all electronics, then glue a C-7 socket with an LED retrofit bulb and plug it directly into the wall.

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