18v NiCd Power tools---Is there new life possible?

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Aug 25, 2022
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West Central Indiana
I hope this is the correct place to post this.
I bought a whole set of Porter Cable 18v NiCd tools in 2009.
I have replaced most of the tools but there are a couple that I'd like to use again but the old NiCd batteries have expired.
I replaced the batteries once with the P/C replacements and they only lasted a couple years--probably from setting without being used--anyway I have some DeWalt 20v Li-ion tools whose batteries are still going strong after 7+ years of occasional use.
AND at the time of battery replacement I had to replace the charger as well. It is able to charge NiCd or Li-ion.
My question is this ; I know that I can open the case and do the interconnections, but where do I buy these Li-ion cells.
I'm a little skeptical of the self proclaimed YT experts. I would like to hear from someone here who has done this successfully.
 
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Sometimes, there are adapter for the battery which enable it to use the newer Li-Ion battery.
Like the B&D tools have the adapter to conver the older 18V to the 20V max battery, not sure for your particular Porter Cable tools.

I just check Amazon, something like this??? I am not sure if this fit your particular tools.

https://www.amazon.com/Lasica-Battery-Adapter-Porter-Cable-Convert/dp/B086SKPB4S

You probably can find this on ebay too.
 
Sometimes, there are adapter for the battery which enable it to use the newer Li-Ion battery.
Like the B&D tools have the adapter to conver the older 18V to the 20V max battery, not sure for your particular Porter Cable tools.

I just check Amazon, something like this??? I am not sure if this fit your particular tools.

https://www.amazon.com/Lasica-Battery-Adapter-Porter-Cable-Convert/dp/B086SKPB4S

You probably can find this on ebay too.
Thanks!!
I did a little digging and found this;

https://powertoolsadapters.com/products/dewalt-20v-to-porter-cable-18v-battery-adapter

They have adapters for matching just about any battery to the tool.
It costs a little more than your suggestion but I can use my DeWalt batteries.
 
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