75-watt 8-amp max output Automatically recognizes Traxxas iD batteries for optimal charger settings One-button LiPo storage charge protects your battery investment Built-in cooling fan Advanced high-resolution peak detection delivers a perfect charge Charges 5-8-cell NiMH batteries, charges 2s, 3s, and 4s LiPo Batteries Built-in balance port for conventional LiPo batteries Advanced Mode for full manual control of charger settings There has never been an easier or safer way to charge your batteries than the Traxxas iD system. Just plug a Traxxas iD-equipped battery into the EZ-Peak Plus 4s and press Start - that’s all there is to it! Traxxas pioneered this exclusive iD technology to eliminate complicated charger programming. The iD system detects which Traxxas iD-equipped battery you are using and automatically configures the charger’s settings for the optimal charge. An LED progress bar and audible alerts keep you informed while the advanced high-resolution peak detection delivers a perfect charge every time. One-button Storage Mode protects your LiPo battery investment by safely preparing the batteries for extended storage. With up to 8 amps of charging power, the EZ-Peak Plus 4s is the fastest, easiest, and most convenient way to charge your Traxxas batteries.