The X1AC-Plus will safely charge and discharge all Lithium, NiCd, NiMH and Lead-Acid battery packs and cells using either 11-18V DC or 100-240 AC power sourece. An easy to read, illuminated digital LCD screen displays battery type, charge/discarge, mAh, voltage and charging time, enhancing the charging experiance. To insure proper use, the LCD screen will also display error messages for out-of range input voltage, incorrect connection or reversed polarity, poor battery condition and internal errors. This easy to use charger, with its 4 buttons control panel and logical menus, is compact and simple to transport to the flying field or track.