Storage cells are an essential part of many everyday items, from rechargeable batteries to flash drives. However, there are various other terms for storage cells that may be useful in specific contexts. For instance, rechargeable batteries can be referred to as secondary cells, while single-use batteries are primary cells. Similarly, flash drives may also be called USB storage devices or simply memory sticks. In the context of biology, the term vacuole can also be used to refer to a storage cell found in plant cells. No matter what term is used, storage cells are vital for storing and preserving information or energy for later use.