Lithium-Ion battery delivers longer run time and lower self-discharge</br>Features an integrated L.E.D. battery charge level indicator</br>Compact design for less weight and reduced operator fatigue</br>Part of the expanding 12V max CXT tool series?? combining performance with superior ergonomics in a compact size</br>Use only with Makita charger DC10WD</br></br>Product Description</br></br>The 12V max CXT Lithium-Ion 4.0Ah Battery combines efficient performance with the superior balance and ergonomics of a slide-style battery and the convenience of an on-board L.E.D. battery charge level indicator.</br><br/>http://www.amazon.com/gp/product/B017GQJDVM