A detachable weighing system for a bed comprising a plurality of weigh modules removably mounted upon legs or support members of a bed, a control unit, and a means for transmitting signals to and from the weigh modules, and control unit. The weight member comprises a head that has a tool mating port for operatively receiving a portion of a fastening tool. Each query is converted into canonical form and then matched against patterns, as in prior art chat bots. Also, by default, each portable electrical energy storage device is disabled from releasing energy unless it receives authentication information from an external device to which it will provide power, such as a vehicle or other authorization device.