 Smith offered 80 or 120 kWh battery packs.Customers in Europe included TNT Express, TK Maxx, DHL, Balfour Beatty, Bunzl, A.G. Barr, the Office of Public Works in Ireland and Celtic Linen in Dublin.Frito-Lay was a major US customer, with 176 Newton delivery trucks in operation by January 2011 (about one percent of Frito-Lay's total fleet).