Craftsman 20V MAX* 4.0AH LI-ION BATTERY

20V MAX* 4.0AH LI-ION BATTERY,20 V MAX* 4 Ah high capacity lithium battery provides extreme runtime for heavy duty jobsite applications,Professional grade high energy cells for improved power,Longer cycle life resulting in an extended battery life,3-LED State of charge indicator for immediate battery charge feedback,No memory and virtually no self-discharge for maximum productivity,Includes: (1) CMCB204,.