21V Battery to 5V Adapter for Camping Device Charging, USB Output Tool Battery Unit for Phones, Small Electronics, Travel Gear and Garage Use

Features: Portable 5V Power Conversion: Turn a slide-in 21V tool battery into a practical low-voltage power source for phones, fans, lights, and other small devices when wall outlets are not nearby. USB And Output Port: Use two common output styles from a compact adapter so you can handle everyday power tasks, workshop testing, or temporary device support with less setup hassle. Slide-In Dock Structure: The direct battery installation design lets users attach a matching battery format quickly, helping spare packs become useful backup power without tool modification. Built For Utility Scenes: The molded housing and portable adapter shape fit jobsite support, camping use, garage repairs, and outage preparation where flexible battery-powered help matters. Single Adapter In The Box: Includes a battery discharge converter for tidy backup setups, and check battery fit alongside intended power needs before use to keep your connection plan straightforward.

Specifications: Component: Plastics Size: Mixed(As The Picture Shown) Power: 21V Input/5V Output

Package Includes: 1Pc Battery Adapter

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.