Battery
In GT there are many types of batteries. Firstly, batteries divides into categories of power electricy: ULV, LV, MV, HV, EV, IV, LuV, ZPM, UV, UHV. Secondly, batteries divides into categories of volume: small, medium, large. Thirdly, batteries has 3 types of material: sodium, cadmium, lithium, sunnarium, infinity. The batteries hull is craftable in workbench, but to craft batteries from hulls you have to do it in canning machine.