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Electric drill question Dave 02-19-2007
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Posted by Dave on February 19, 2007, 4:23 pm


I have two Porter Cable electric drills. One uses a 14 volt rechargeable
battery and the other a 12 volt. The 12 volt battery appears to work on the
14 volt drill quite well. The question is - if I were to use it in place
the 14 would it damage the battery? The 14 is about shot.

--
******************************
Dave




Posted by Charles Schuler on February 19, 2007, 4:34 pm



>I have two Porter Cable electric drills. One uses a 14 volt rechargeable
>battery and the other a 12 volt. The 12 volt battery appears to work on
>the 14 volt drill quite well. The question is - if I were to use it in
>place the 14 would it damage the battery? The 14 is about shot.

Should be fine ... you already tried it. There will be a bit less torque
and power.



Posted by CptDondo on February 19, 2007, 7:53 pm


Charles Schuler wrote:
>> I have two Porter Cable electric drills. One uses a 14 volt rechargeable
>> battery and the other a 12 volt. The 12 volt battery appears to work on
>> the 14 volt drill quite well. The question is - if I were to use it in
>> place the 14 would it damage the battery? The 14 is about shot.
>
> Should be fine ... you already tried it. There will be a bit less torque
> and power.
>
>


And more current. Thus more heat, both for the battery and the drill
motor. Might shorten life of both.

Posted by on February 19, 2007, 9:26 pm


wrote:

>Charles Schuler wrote:
>>> I have two Porter Cable electric drills. One uses a 14 volt rechargeable
>>> battery and the other a 12 volt. The 12 volt battery appears to work on
>>> the 14 volt drill quite well. The question is - if I were to use it in
>>> place the 14 would it damage the battery? The 14 is about shot.
>>
>> Should be fine ... you already tried it. There will be a bit less torque
>> and power.
>>
>>
>
>
>And more current. Thus more heat, both for the battery and the drill
>motor. Might shorten life of both.

When will this insanity stop? In a DC motor less voltage means less
current, not more. ... by the square of the difference.



Posted by on February 20, 2007, 10:24 am


Bah humbug. Just use a corded drill.


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