1. converter, compatible with all Dewei 12-18V lithium batteries.2. Two USB ports can simultaneously charge 5V/2.1A electronic devices.3. It is 100% compatible with the battery converter, and three LED lights display the battery charging status.4. ABS materials are more environmentally friendly and reduce human hazards.5. With 3W lamp, the brightness can reach 140lm, which is necessary for camping, walking at night, and sudden failure.Product name: DW-USB with 3W lightInput parameters: 14.4V-20VOutput parameters: 5V 2.1A/12V 2AColour:yellowMaterial:plasticPackage Contents:1 x Adapter ChargerOnly the above package content, other products are not included.Note: Light 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.