Systems, computer instructions stored in non-transitory machine readable mediums, and methods are disclosed herein. A portable system for electrically stimulating meat is provided. The system includes a portable housing configured to house a battery power supply. The system further includes a first end connector configured to attach to a target of tenderization, and a second end connector configured to attach to the target of tenderization. The system additionally includes a circuitry electrically coupling the battery power supply to the first and the second end connectors, the circuitry disposed in the portable housing, wherein the circuitry comprises a microprocessor programmed to derive a first electrical condition and to electrically stimulate the target through the first and the second end connectors only when the first electrical condition is not met.