X3 4.0 ah batteries. All works as it should, I have built this kit up over a couple years. Some of the stuff is only a month old (planer, combi and a couple batteries) all batts hold charge and can be tested when viewing. The item "Makita 18v Lithium Ion Kit" is in sale since Sunday, December 2, 2018.This item is in the category "Home, Furniture & DIY\DIY Tools & Workshop Equipment\Power Tools\Batteries & Chargers". The seller is "pinni123-2012" and is located in Rochdale. This item can't be shipped, the buyer must pick up the item.