Hunterfield TL-060F 60W (Vehicle power adapter 12-30V to 12V/5A, 2.5/5.5mm plug)
[http://www.minipc.de/catalog/il/2203]
  14.95 EUR
incl. 19% VAT, plus shipping


- Input: DC 12V~30V
- Output: DC 12V max 5A (max 60W)

This product will make the output at 12V when the input is DC 12V ~ 30V. Use this DC adapter to power up your device via a car cigarette lighter socket. 2.5mm/5.5mm DC output plug, Central positive polarity.