DIY 9 Volt Battery Connector for Free

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Usually cheap 9 volt battery connectors that you can buy are flimsy and don't last for long. Here is a way to make yourself a battery terminal that will last. Oh, did I mention it's almost free?

You will need:

* dead 9 volt battery
* pliers
* sharp knife
* soldering iron + solder + flux
* red and black wire
* a piece of heatshrink tube
* a thin ziptie

Step 1: Rip Apart a 9 Volt Battery

Take the pliers and rip apart a dead 9 volt battery you have lying around. You'll get a piece of plastic with terminals on it.

Step 2:

Using a sharp knife punch two square holes in the plastic

Step 3:

Strip and tin a couple of wires. Preferably - black and red. Note the polarity - the red wire goes to the "crown like" terminal.

Step 4:

Solder the wires to the terminals. Watch the polarity! Don't overheat while soldering, plastic tends to melt rather quickly.

Step 5:

Put a piece of heatshrink and heat it with a soldering iron or a lighter

Step 6:

Carefully bend the heatshrunk wires back and tighten a ziptie thru the holes you made earlier.

Now you have a proper 9 volt battery connector.

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    12 Discussions

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    JoseJ101

    4 weeks ago

    I have a question what kind of wiring do you need for a 9 volt battery snap connector? I mean like what is correct size & type of wiring, because one of snap connectors messed up and I am planning on fixing it myself i just need to know what are the correct type and size of wires needed to get the job the done. Thanks

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    MervynC2

    1 year ago

    can you please post a photo of the finished product

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    MervynC2

    Question 1 year ago

    can you post a photo of the finised product please

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    yankeesat1

    1 year ago

    So i did this project becuase i was upgrading an r/c car from 1.5 v to 9v and i did it all but had one qestion, were u suposed to reverse the polarity or keep it the same. Also the battery's were heating up, does any one know what that mean?

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    Rayregula

    2 years ago

    Just be carfull not to puncture the battery

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    DanielZ25

    3 years ago

    I ripped out mine from the bass guitar. Weekend saver!! Tnx

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    Game players

    3 years ago

    If you dumpster diving at radio shack they throw away 9 v all the time

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    svesce

    3 years ago

    Great tip. Saved us a trip to the store!

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    hmuhammad1

    5 years ago

    thanx 4 share :) will do it for sure!

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    sctirvn687

    5 years ago on Introduction

    Great idea. Never thought of it. Would have saved me from buying them. Thanks for posting!