锂聚合物电池 ( lithium polymer ) 或聚合物锂电池又可简称为锂聚电池 ( Li-Po )、或聚锂电池都是一种锂离子电池。锂聚电池通常是由数个相同的平行子电池芯 ( secondary cells ) 来增加放电电流，或由数个电池包(pack)串联来增加可用电压。锂聚电池容易与下面两种电池概念混淆：

A lithium polymer battery, or more correctly lithium-ion polymer battery (abbreviated variously as LiPo, LIP, Li-poly and others), is a rechargeable battery of lithium-ion technology in a pouch format. Unlike cylindrical and prismatic cells, LiPos come in a soft package or pouch, which makes them lighter but also less rigid.