The lithium-polymer battery packs changed themselves from ordinary battery systems due to the use of electrolytes. In the original design, a dry solid polymer electrolyte is used. There is more information about lithium polymers at Nuenergy storage solutions.
This electrolyte looks like a plastic film that does not conduct electricity but allows the exchange of ions. The traditional porous separator is replaced by the polymer electrolyte.
Lithium-polymer batteries provide high capacity and density. These battery packs offer various benefits over other battery systems, especially with respect to long life, capacity, and reliability. Lithium-ion batteries are used in portable devices due to high energy, low self-discharge, and lack of memory effect when you don't want to use them.
Lithium Polymer batteries are generally found in laptop computers, mobile phones, and other personal electronics. If it is used properly, Lithium Polymer battery packs can be quite safe. Lithium-ion batteries are very low maintenance that is a big advantage. There is no need for memory and scheduled cycling to extend the battery's life. The usage of Lithium-polymer batteries has increased in the mass market.
The Lithium-polymer batteries provide high energy storage for millions of electronic devices, wearables, smartphones, and many other devices and stationary equipment. These battery packs were made very lightweight.