dave1888
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| posted on 29/5/05 at 02:41 PM |
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Dewalt drill
How long should you initially charge the batteries (12v 2Ah) I have charged them for an hour but they only last 40 mins. I am only driving screws into
wood.
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flak monkey
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| posted on 29/5/05 at 02:46 PM |
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Depends on the charger output. Probably better off charging them over night for the first charge.
David
Sera
http://www.motosera.com
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zilspeed
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| posted on 29/5/05 at 03:13 PM |
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Is there not a light on the charger to indicate full charge ?
This usually
a) starts flashing
b) stops flashing
c) changes colour
to indicate full charge.
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Peteff
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| posted on 29/5/05 at 04:33 PM |
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It usually tells you to charge them for something like 16 hours to start with and that the batteries will not accept a full charge until they have
been charged a few times after that.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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subk2002
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| posted on 29/5/05 at 05:04 PM |
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Charge it for 8 hours to build it back up if you have had it a while. 
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GeoffT
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| posted on 29/5/05 at 05:07 PM |
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I Reckon...
that the way the voltages keep increasing on these cordless drills, it won't be long before they're up to 240, and you could plug them
straight in the mains. Just think, all the power you need, no poncing about charging batteries......or is this me just dreaming again?
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clbarclay
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| posted on 29/5/05 at 05:13 PM |
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Most (if not all) cordless drill chargers i've come across have an automatic chraging cut off. Leveing the battery in won't make it more
charged.
If a charger has no auto cut off and is left on for too long then its a short way to ruin a battery.
What type are the batterys ie. Nicad or Nimh.
Nicad benefit from cycling (particualry older batteries). Fully charge till charger cuts off, then fully discharge. When model car raceing I had a
discharging unit that provided a steady 30amp distcharge rate for cycling batteries and full discharging them after a race. The other option for
discharging is to leave the drill running, just beware it doesn't over heat.
[Edited on 29/5/05 by clbarclay]
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clbarclay
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| posted on 29/5/05 at 05:16 PM |
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quote:
Originally posted by GeoffT
I Reckon...
that the way the voltages keep increasing on these cordless drills, it won't be long before they're up to 240, and you could plug them
straight in the mains. Just think, all the power you need, no poncing about charging batteries......or is this me just dreaming again?
Its called a corded drill, but why weight and pay cordless prices when corded drills come half the price for equal or better quality.
[Edited on 29/5/05 by clbarclay]
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JoelP
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| posted on 29/5/05 at 05:59 PM |
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i would start by reading the destruction manual... i know, daft idea, but it can help 
[Edited on 29/5/05 by JoelP]
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Ben_Copeland
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| posted on 30/5/05 at 08:48 AM |
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I have a Dewalt, 18v 2.4Ah cordless drill and to start you'll need to run the batterys down and charge them up a few times to get them up to
full charge.
Most rechargable batteries are like that. Give them a few charges and see what they are like.
My batteries will last all day long driving screws into wood
Ben
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Peteff
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| posted on 30/5/05 at 09:33 AM |
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i would start by reading the destruction manual
That sounds like my wife talking there. What kind of man would do that? The nimh one I got recommends an initial 14 hour charge before use in the
instructions. If nicads are not fully charged first time they have a memory effect and will not subsequently accept full charge allegedly.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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