You've probably noticed that they also differ in composition: There are those that are built with Lithium-Ion (Li-Ion) and those with Lithium Polymer (Li-Poly). Lithium-Ion (Li-Ion) Then came Lithium-Ion, a type of battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging. Lithium Polymer (Li-Poly) Lithium-Ion Polymer, more commonly known as Lithium Polymer (also abbreviated as LiPo, Li-Po, but we're using Li-Poly in this article), were first introduced in the 1970s. It is a rechargeable battery of lithium-ion technology in a pouch format. As a result of being flexible and lightweight, Li-Polys carry lower energy densities, suffer less cycle counts, and are more expensive to produce -- the cost-to-energy ratio is higher than that of Lithium-Ion. Read more in our articles including "Battery 101: Intro to Li-Ion and Li-Poly" and "Samsung’s Galaxy Flagship Lineup: Which One Fits You Best?".
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Apr 26, 2026You've probably noticed that they also differ in composition: There are those that are built with Lithium-Ion (Li-Ion) and those with Lithium Polymer (Li-Poly). Lithium-Ion (Li-Ion) Then came Lithium-Ion, a type of battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging.
Lithium Polymer (Li-Poly) Lithium-Ion Polymer, more commonly known as Lithium Polymer (also abbreviated as LiPo, Li-Po, but we're using Li-Poly in this article), were first introduced in the 1970s. It is a rechargeable battery of lithium-ion technology in a pouch format. As a result of being flexible and lightweight, Li-Polys carry lower energy densities, suffer less cycle counts, and are more expensive to produce -- the cost-to-energy ratio is higher than that of Lithium-Ion.
Our coverage of lithium ion polymer includes: "Battery 101: Intro to Li-Ion and Li-Poly"; "Samsung’s Galaxy Flagship Lineup: Which One Fits You Best?"; "Tablets Under PHP 20,000 | Q1 2026". Each article provides unique insights and information.