So, if I understand this correctly, battery-powered angle grinders fitted with metal cutting wheels and/or battery-powered reciprocating saws are quickly and easily able to cut through the best bike locks?

Metal cutting disc for any grinder:


Battery powered sawzall (only $39 at Harbor Freight):



Battery powered grinder:


Would the Fahgettaboudit withstand these, perhaps by virtue of being hard to clamp still for cutting?