KDM 29X keeps your devices charged at all times. Because of its extensive technologies that just secure your gadget in every imaginable way. This comprises Charge Cable Detection and Protection, Electromagnetic Field Protection, Output Overcurrent Protection, and Temperature Protection. Temperature Protection : Yes Battery Overvoltage Protection : Yes Output Overvoltage Protection : Yes Output Overcurrent Protection : Yes Input Surge Protection : Yes Battery Overcharge & Overdischarge Protection : Yes Electromagnetic Field Protection : Yes Input Overvoltage & Undervoltage Protection : Yes Charge Cable Detection and Protection : Yes Output Short Circuit Protection : Yes Electrostatic Protection : Yes Phone Connection Status Protection : Yes