CA and LC stand for Cabinet and Light Cabinet respectively. 

The equipment contained in the Jua Cabinet allows the customer to work 100% in off-grid mode. The battery pack must be acquired separately. Conversely the equipment of the Jua Light Cabinet enables the customer to work partially in off-grid, but also requiring the presence of the grid. In this case the battery system is included in the Light Cabinet.

The customer will choose the CA either when there is no grid present or the grid is not enough stable and will choose the LC when the grid is fully present or can stand for several hours.

BA and LB stand for Barrel and Light Barrel respectively. 

The equipment contained in the Jua Barrel allows the customer to work 100% in off-grid mode. In this case, the battery is included in the barrel. Conversely the equipment of the Jua Light Barrel enables the customer to work partially in off-grid, but also requiring the presence of the grid.

The customer will choose the BA either when there is no grid present or the grid is not enough stable and will choose the LB when the grid is fully present or can stand for several hours.