In many outdoor scenarios, such as remote farms, field construction, emergency rescue, and RV travel, users often face the inconvenience of refueling. Especially when there’s no mains power, no vehicle power, or even no charging options, a truly “plug-and-play” refueling solution is essential. This is the original intention behind our development of a portable battery-powered fuel transfer pump. No wires or charging required; simply plug in a battery and it’s ready to go, providing a safe, efficient, and always-available refueling experience. Truly “Plug and Play”: Battery-powered, no more power dependency This product supports multiple standard 4AA batteries, eliminating the need