Electricity Mod will allow us to make electrical items in minecraft! Batteries are use at powered items.
Batteries gets in the Generator
Electrical Items, Tools, Armors and Guns made with battery:
Also the development of the battery is Electronic Battery
(Electronic Battery use at Electronic Items)
You can get copper from Copper Dimension, Copper Ore, Copper Mobs, Copper Tree, Copper Dirt and Copper Stone
Recipe book allows to see all recipes of mod