Output power: natural cooling 100 w (MAX), strengthen heat 150 w (MAX) use time more actual situation, please Decide whether to add fans, please be sure to heat sink temperature not to exceed 80 degrees. With temperature rise: 45;No-load current: typical 25 ma;Load regulation: plus or minus 0.5%;Voltage regulation: plus or minus 0.5% DIY an output adjustable vehicle power supply, connect the 12V input, and output could be 14-35V(adjustable freely), However, the output voltage can not be less than the input voltage. Car laptop power supply: connected to 12V power supply, output voltage regulation as your notebook need. The input voltage: 10-32 v;(1) continuous adjustable output voltage (12-35 v);(2) fixed output (select) between 12-35 v, when buying, please tell the shopkeeper. Output current: 10 a (MAX);Input current: 16 a (MAX) (please strengthen heat, more than 10 a) Material:Plastic + Metal colour:Black+Red Package Contents: 5 * 150W DC-DC Step Up Module 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.