A controller converts the sun's energy to charge the golf cart's 36-volt or 48-volt battery bank.

Electric energy has to be obtained for the battery bank from some source.

The battery banks were installed in the ground floor of the tower.

As the demand from the load does not always equal the solar panel capacity, battery banks are generally used.

Storage is typically implemented as a battery bank, but other solutions exist including fuel cells.

The size of the battery bank determines the range of the boat under electric power alone.

Solar powered fountains without battery banks cannot be used during night time.

In addition, the battery banks will provide power to operate the vessel.

A recent fire on board, however, which started in the catamaran's battery bank, has delayed the Play Station project by three or four months.

A battery bank - which acts as an energy buffer.