The pouch or polymer cell has no metal housing. Instead it is surrounded by an aluminised plastic film. This cell is usuallyused in model constructions.
Advantage:
Disadvantage:
The prismatic cell is located in a solid cell cup and has an especially thin cell shape. No polymer is used here – instead, it is liquid electrolyte. Standard sizes are actually available for this cell type. However, they can only be procured from a handful of manufacturers.
Advantage:
Disadvantage:
The 18650 round cell is a cell in cylindrical form. Here the liquid electrolyte is located in a solid cell cup.
Advantage:
Disadvantage:
This cell type boasts exactly the same features as the 18650 round cell, but it is smaller and less widely distributed.