1. Replace for Dewei DCB090 power converter, compatible with 12-18V lithium batteries. 2. Two USB ports can simultaneously charge 5V/2.1A electronic devices. 3. It is 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 power failure. Product name: -USB with 3W light Input parameters: 14.4V-20V Output parameters: 5V 2.1A/12V 2A Colour: yellow Material: ABS plastic Package Contents: 1 x DCB090 battery Adapter 1 x 5.5 x 2.1mm 30cm 12V DC cable (DC cable Color and style random, 't accept the specified) Only 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.