The high energy density of Lithium-Polymer Batteries is leading to ever new areas of application. Today, they can be found, for example, in cell phones, laptops, tablets, cameras, vacuum cleaners, tools, vehicles or in so-called storage applications - large enery storage units for storing energy from solar cells. Lithium-Polymer Batteries are also increasingly being used in applications that previously could not be operated by battery.

One advantage is the almost infinite number of sizes since steel housings are not required. A plastic-coated aluminum foil is used instead of such housing. Therefore, very thin cells can be manufactured.

Lithium-Polymer cells are also a bit lighter. Moreover, the variety of different sizes presents greater freedom in the design of the final product. Custom sizes are available at relatively low production volumes so that the existing space for the battery can be utilized optimally.

The disadvantage is a higher sensitivity of the battery due to the lack of a solid housing. This must be strictly observed in the use of the battery, because mechanical damage must be avoided at all costs.

Lithium-Polymer cells are also negatively affected by overcharging. Therefore, lithium polymer batteries are provided with a protection circuit that protects them from overcharging. These batteries should only be charged with chargers specified for that battery’s chemistry.

Lithium-Polymer cells are also called soft or pouch cells.