SKIL Brushless 20V Cordless 4-Tool Combo Kit : Drill Driver, Circular Saw, Multi-Tool & Speaker, CB7440-21

Batteries Included - Get started with one 4.0Ah lithium battery, one 2.0Ah lithium battery with PWR ASSIST USB Port, and one auto PWR JUMP charger. Longer Run Time & Battery Life - Industry leading PWR CORE 20 lithium battery technology wraps each cell with cooling material to keep the battery powering on for 25% longer run time and 2 x battery life. Power on The Go - Plug into the battery’s USB port Charges in 5 Minutes - Auto PWR JUMP & trade charges the battery in just 5 minutes, or 100 battery in 45 minutes (based on a 2.0Ah battery)