Built-in memory chip communicates the usage history with charger</br>Built-in shock absorbers protect the cells from jobsite conditions</br>Large release button for easy removal from the tool</br>Built-in air vents cool the battery cells evenly while blocking damaging debris</br></br>Product Description</br></br>MPBL7010 Features: -Charges in 20 minutes. -Lithium Ion technology for longer run time. -Very lightweight at only 1/2 lb.. Product Type: -Battery. Generic Specifications: -1.0 amp hour. -7.2V Lithium Ion Battery. Generic Dimensions: -1.5" H x 5" W x 9" D?? 0.5 lb. Dimensions: Overall Height - Top to Bottom: -1.5 Inches. Overall Width - Side to Side: -5 Inches. Overall Depth - Front to Back: -9 Inches. Overall Product Weight: -0.5 lb Pounds.</br><br/>http://www.amazon.com/gp/product/B000UZPJJW