While you wait for answers, we may have found some information which could help you.
Click here for Battery Holding Chargehow to remove a broken blade in a mckeller jigsaw?
mckeller 18v cordless drill?
McKeller 14.4vd.c Cordless Drill?
I need an extra battery for my Mckeller 14.4V drill?
Mckeller stapler?
How to remove a jamed chuck ??