Add a vanilla like accumulator 2 and research to the game.
- Technology prerequisites: electric energy accumulators, advanced electronics 2, production science pack
- Ingredients: 1 accumulator, 1 steel, 5 battery
- Production: 15s
- Health: 180
- Capacity: 10MJ (double of accumulator)
- Stack size: 50 (configurable in mod-settings)
- Languages: ca, cs, da, de, en, eo, es, fr, nl, pl