# Re: Can I run drill off of car battery

On Sat, 7 Jan 2006 13:07:07 -0600, ransley@xxxxxxxxx (m Ransley)
wrote:

>12 v is12 v you wont hurt anything , amperage is power used and

One measure of power is watts, and watts is amps x volts. So amperage
is only current. It's not a measure of power until the voltage is
factored in.

>at 13.5 per cell. So if it is a 10 cell 1.2v pack 12v is dead.and drill
>will be slow at 12v. Fully charged car batteries are apx 13.4v, so keep

I agree with George. The charging voltage when the engine is running
is I think 13.4, but the fully charged battery I've always figured at
12.6v. That's, 2.1 volts for each cell.

>battry charged and it will work fine. The original battery operated
>drill had a separate pack, A fuse wont be necessary except for shorted
>wiring. You could probably run it at 16 v or more. and not hurt
>anything.

Remove NOPSAM to email me. Please let
me know if you have posted also.
.

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