Submersible pumps are any kind of pumps that can be submersed in water while carrying out its job, unlike regular pumps. Some types of submersible pumps even offer the opportunity to be used under water or in a dry place, which makes them even more useful than ordinary submersible pumps. A 12V water pump is designed to move water from one spot to another. These electric pumps do not directly provide pressure, but rather work as a conductor of the pressure from one source to another to move the water.Looking for a small water pump? Take a look at our options below, including online suppliers, and make the best possible purchase. A small water pump can have a variety of uses. From pumping water through a fountain to extracting water from a storage area to drink they are compact and reliable ways to transport our most essential resource efficiently.