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Old 15th Aug 2012, 19:50   #1
yogi6994
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Modding power tools

Hello everyone here at bit-tech!!!!
This is my first post here and I don't known if this is the right place to post this, if it's not I apologize!
My dad has a black & decker set of power tools, the problem is: the battery life on them sucks!!!
So I want to wire them so that they can be plugged into the wall outlet and work that way, instead of the battery.
I can use all the help I can get, so any suggestions or tips are greatly appreciated

Thanks again for reading my post!!!

P.S. I love the modding forums
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Old 15th Aug 2012, 20:30   #2
Vetalar
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as a rule battery power tools uses 12-18V DC. and in wall outlet You have 220v (or 110v) AC.
so You need power supply unit to fed tools with adequate voltage (+/- 0.5-1V is OK IMHO) and more important adequate wattage (+15-25% desirable).
for 12v tools typical 350-400W PC PSU will be OK
for other voltages one have to make/buy PSU
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Old 15th Aug 2012, 21:25   #3
yogi6994
What's a Dremel?
 
Join Date: Apr 2012
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Quote:
Originally Posted by Vetalar View Post
as a rule battery power tools uses 12-18V DC. and in wall outlet You have 220v (or 110v) AC.
so You need power supply unit to fed tools with adequate voltage (+/- 0.5-1V is OK IMHO) and more important adequate wattage (+15-25% desirable).
for 12v tools typical 350-400W PC PSU will be OK
for other voltages one have to make/buy PSU
So all I need is a PSU and to wire the tools and I should be good to use them?
Also how would I figure out wich wires to use? Thanks for the help
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Old 16th Aug 2012, 10:39   #4
Vetalar
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for using PC PSU:
-make sure that Your power-tools uses 12v (as a rule written on battery)
-make sure that PSU can draw desirable power on 12V - see tool and PSU specs
-disassemble battery pack and solder +12v wire (yellow, better from 4-8 CPU connector) for "+" and black from same PSU connector for "-". one can lengthen wires with appropriate wires 14-18AWG
-attach disassembled and soldered battery pack to powertool and You ready to rock
-to turn PSU on shorten green and black wire at 20-24 pin connector for MB with paper clip, for long term use - solder rocker switch to green and any black wire from 20-24 pin connector.
make sure for proper wiring, soldering, isolation etc. all modification on Your own risk etc.
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