Quote:
Originally Posted by KosmicKhaos
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This or a similar auto "cigarette lighter port" inverter is plenty adequate to charge a laptop, and can run off of robot batteries that are no longer quite good enough for competition.
If you want to spend a bunch of money on a battery charger, go for a solar charging system. We bought some solar panels, a big deep cycle battery, and a charger/inverter for our trailer for about $1k. If I recall the prices correcly, for significantly less than $500, you can get a 'briefcase size" setup that will charge a laptop and a robot battery at the same time whenever the sun shines. Not so good for competition, but still generally a good idea; we usually set this up for all of our outdoor demo events as a nice conversation and recruiting (students, mentors, and sponsors) piece.