Features: and high quality Made of high quality material, sturdy and reliable. Suitable for Battery Adapter Electric Wrench Battery Converter Dual USB Adapter Integrated high-performance intelligent circuit protection board for your phone to provide over-current and high-voltage protection to for stable load current. Have cell phone activation function, USB charging activation function be activated. Specification: Part Name: Battery adapter Battery voltage: 18V Quantity: 2 piece Input: 14Vdc-21Vdc, maximum 2A Output: 2 x USB 5Vdc 2A Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color: Black Material: plastic Package Contents: 2pcs x adapters(battery not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.