2 x 5.2Ah 18v batteries. Batteries charge fully but cannot guarantee any discharge rate on them as it was a gift that I never used, I have no need for a mobile version over my 240v version. The item "Festool TSC55 Li REB Plunge-Cut Saw SYS 4 X Batterties+charger" is in sale since Sunday, May 12, 2019.This item is in the category "Home, Furniture & DIY\DIY Tools & Workshop Equipment\Power Tools\Saws & Accessories\Circular Saws". The seller is "max-965" and is located in Chislehurst. This item can be shipped to United Kingdom.