New life to old 24v Bosch drill?

Gallery, Projects and General > How do I??

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snub:

--- Quote from: awemawson on December 09, 2014, 10:44:57 AM ---

I've re-celled De-Walt 18v packs a couple of times - don't buy cheepo cells from ebay go to a proper supplier

--- End quote ---

That is very good advise. I bought some cheap batteries ( about $1.50 each ). Spent hours re-celling the battery pack. 2 months later they went for a crap.

DavidA:
I was wondering about a different route.
How about getting a small 24 volt lead-acid battery and making up an adapter lead to fit the drill.

Lead acids are longer lived than the usual Ni Cads etc. also more rugged.

I am aware that there could be trouble due to the ability of the drill to draw a high current (lead acids being low internal resistance) but I should imagine that , with care, it would do the trick.

You could use a couple of the small 12 Yuasa batteries strapped in series and carried in a pouch from your belt.

Just a thought.

Dave.

steampunkpete:

--- Quote ---I was wondering about a different route.
How about getting a small 24 volt lead-acid battery and making up an adapter lead to fit the drill.
--- End quote ---

Probably a better idea than trying to make up a battery pack out of un-matched Ni-Cds. :thumbup:

snub:
loply, you may want to check this thread out. You may be able to bring your batteries back from the dead.

http://madmodder.net/index.php/topic,6295.msg66681.html#msg66681

steampunkpete:

--- Quote --- Any rechargeable battery can, burst, or catch fire if the charger doesn't charge appropriately. Mixing and matching chargers and batts is serious business.
--- End quote ---

Here's a sobering thought. If I've done my sums correctly there is as much energy locked up in a D size NiCd as two hand-grenades - it's just that one releases its energy much, much faster than the other.

Luckily for us using the wrong charger can't cause the Nicd to explode! :clap:

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