Patent Pending iD TechnologyThere has never been an easier or safer way to charge your batteries than the Traxxas iD system. Just plug in a Traxxas iD-equipped battery and press start - that’s all there is to it! Traxxas pioneered this exclusive technology to eliminate complicated charger programming. The iD system detects which Traxxas iD-equipped battery you are using and automatically configures the settings for the optimal charge. The progress bar and audible alerts keep you informed while the advanced high-resolution peak detection delivers a perfect charge every time. The EZ-Peak Live’s Storage Mode protects your LiPo battery investment by safely preparing the batteries for extended storage.