Battery 18V Li-Ion 4.0Ah Each

• Fuel gauge indicator, displays charge remaining on battery in four stages
• Built in memory chip communicates the usage history with the charger
• Built in shock absorbers protect the cells from jobsite conditions
• High energy cells pack more power per cell to reduce number of cells and overall weight
• Large release button for easy removal from the tool
• Built in air vents and wall cools the battery cells evenly whilst blocking damaging debris
• 16 contact terminals provide consistent power and firm hold in any environment