External-powered

Describing a device or system that derives its energy from a power source located outside itself. This contrasts with self-powered or internal-powered systems, which have their energy source contained within. external-powered devices rely on an external connection, such as a wall outlet, battery pack, or dedicated power supply, to function. This arrangement can provide continuous and often higher power, enabling sustained operation, but it also introduces limitations in terms of portability and reliance on an external infrastructure.

External-powered meaning with examples

• My laptop is external-powered, needing to be plugged into a wall outlet to operate. This limits my mobility somewhat, but ensures I have enough energy for my workday. The continuous power prevents the frustrating experience of a laptop abruptly shutting down due to a depleted internal battery while working on an important project.
• The digital display in the store is external-powered, receiving energy from a nearby electrical grid. This allows the large screen to operate 24/7 with bright illumination for maximum visibility. Without the need for battery changes it is cheaper to run and requires minimal maintenance because it only requires a continuous power supply.
• Electric vehicles rely on external-powered charging stations to replenish their battery packs. Charging takes time, and infrastructure can be challenging to find. However, they offer the benefit of zero-tailpipe emissions, reducing local air pollution, compared to gas-powered vehicles and their internal combustion engines.
• My old wireless keyboard, unlike my current one, used an external-powered base station. It was less convenient to use than my current keyboard because I needed a table with a power outlet. However, it offered a more stable connection than Bluetooth because of its more robust wireless protocols, even at longer distances.
• The home security camera system is external-powered, connecting to my home's electricity supply for constant surveillance. It means I don't have to think about charging the cameras, guaranteeing continuous recording of events. The continuous power eliminates battery replacement and allows for complex features to work.