Excerpt: I bought a Makita BDF451RFE cordless drill with two 3 A batteries in December 2012. After approx 15 min light use it stopped working for no apparent reason. Note that the batteries were fully charged. I sent the drill back to the supplier (Buy a Parcel) and after approx 6 weeks I received a replacement. After another 15 min light use the replacement also failed. There appears to be a design or manufacturing flaw with this drill. Note that the problem is with the drill not the batteries when the trigger is operated the light illuminates but the drill fails to rotate.