> A very basic laptop is in the tens of watts The latest version device in question (the OLPC) is ~5W under normal usage and less than 1W when idle. Im not su

> A very basic laptop is in the tens of watts The latest version device in question (the OLPC) is ~5W under normal usage and less than 1W when idle. Im not sure about an integrated solar panel - im not sure i would want to keep my laptop exposed to the sun - but i was able to keep a 2015 macbook charged with a small solar panel while travelling (approx 4 hours a day of heavy usage). Obv depends on time of year, location, weather, etc.