【High-Performance Impact Driver】 The HITACHI impact driver provides powerful torque and can handle a variety of tasks. Its compact design makes it easy to use even in tight spaces. 【Lithium-ion Battery】 Equipped with a 12V lithium-ion battery, it does not allow for long hours of use. Depending on how it's used, it only lasts about 15 to 30 minutes after charging. I use two batteries alternately. Please consider it as a junk item.