LXT Lithium-ion battery and optimum charging system produces 280% total lifetime work with 2 times more cycles. Kit includes 1/2" hammer driver-drill that has a new 4-pole motor for 450 in./lb. of torque and weighs only 3.9 lb. The impact driver is 40% more compact, with 1280 in./lb. of torque with 0 to 3200 IPM and weighs 3.3 lb. The reciprocating saw has a toolless blade change and adjustable shoe skyhook, and weighs just 8.1 lb. The 4 position flashlight with Xenon bulbs will run 4.3 hours on a single charge. LXT lithium-ion batteries provide longer run time, 5 times lower self-discharge (for use any time) and 16 firm holding contact terminals (for constant high power). There is a 3 year warranty on the tools and 1 year warranty on batteries. Includes 2 LXT batteries, ENERGY STAR rated charger, and soft side bag.