Maintenance-free accumulator, especially for under-sea holders with one ore more cell holders, a plate block with positive and negative plate seats, where the plates of each plate seat are electrically conductive, the cell holders have a capacity of at lea...

Accumulator with cell container(s) incorporates a hardenable casting compound which fixes the respective plate blocks in these containers so that their vibration is virtually prevented. The casting compound at least partially fills the space between the su...