Once again I have become totally frustrated with my cordless drill. The batteries do not last very long and do not have enough power. So this time I bought 4 of these 1800ma 4.8 volt battery packs and connected them together to make a much more powerful battery pack.
Now in order to get 18 volts I had to remove one of the batteries from one of the battery packs. This new battery pack is about 1/4 the weight of the old battery pack. The last time I did this I used individual AA rechargable batteries and when a 1 inch paddle bit got stuck in a wall the wires in the battery pack melted. So this time I used much bigger wires to connect up the batteries hoping it will hold up better.
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