"UL Listed means that UL has tested represented samples of the product and determined that it meets UL’s Requirement’s these requirements are based primarily on UL’s published and nationally recognized Standard for Safety. References to UL and the UL listing may include the UL Listing Mark.” –Underwriter LaboratoriesTests EPIKGO underwent:Overcharge TestShort Circuit TestOver discharge TestTemperature Test (Determines the failure temperature of a product.)Imbalanced Charging TestDielectric Voltage TestIsolation Resistance Test (Testing Isolation Transformer.)Vibration TestShock TestCrash TestDrop TestMold Stress TestWater Exposer TestThermal Cycling Test (Testing the effects of extreme differential temperature change.)Label Performance Test (Comparing products against other leading brands.)Strain Relief TestsMotor Overload TestMotor Locked Rotor20mm End Product Flame (Test that determines flame resistance.)