I'm not sure how fully this answers your question and/or addresses your concern, but I've done a quick Google "poke around" and discovered a number of "cigarette plug" power options for laptops that all appear to be of high quality and rated to handle the power requirements in question.
I don't own such an adapter as I write this. But when I get one, I'll be as certain as I can that it is intended to work with the laptop I plan to use. Here, that most likely will be the Acer Aspire One. I hope this helps, Tim -------------- Original message from "Roger Kolakowski" <[email protected]>: -------------- > A quick inquiry about running a laptop directly off of a cigarette outlet in > the car... > > for example...let's consider the HP/Compaq series of laptops that take > 16-19V from their chargers/power supplies... > > Can they be run directly from the auto's 13.6v supply...the available > amperage always made me nervous...as does the voltage swings when starting > and out of the regulator. > > Roger > WA1KAT > ----- Original Message ----- > From: > To: "Greg D." ; > Sent: Wednesday, April 29, 2009 8:52 AM > Subject: [amsat-bb] Re: A Fully Rechargeable Satellite Station > > > > Hey Greg, > > > > In addition to the internal rechargeable pack, Yaesu provides a battery > tray for a "DIY" battery pack, and I have been assembling rechargeable > individual batteries for these trays. In the case of a longterm power > outage, it occurs to me that, as you suggest, a larger 12v battery could > come into play. The regular power supply I use in the shack includes the > provision to connect a gel cell battery for charging and backup, so that's > one option. An auto battery certainly is another although, I suspect I'd opt > for a deep-cycle marine battery (or batteries) if I was going to buy them > for this use. > > > > My intial plan would be to have enough internal-battery power to get > through at least two "cycles" (i.e., at least two battery packs ready to go > for each radio). The hope is that accesss to power from a generator or the > larger batteries would be available for recharging the batteries and > powering the radios. > > > > As for the computer, the 6-cell pack that is available for the Acer is a > lithion ion pack that, when fully charged, provides up to six hours of > continuous use. Given the nature of our satellite passes - in chunks of > 10-15 minutes - I have been able to make days worth of passes without a > recharge. I hope to pick up another 6-cell battery because I believe two of > them would provide the power necessary to handle things until power was > available for recharging. > > > > Reading yours and some other comments have me thinking about a few more > elements I need to look into ... things I hadn't given much thought to, but > elements that would be helpful to know. > > > > Both on and off the reflector, I've received multiple requests to write > this up for the Journal, and that's very gratifying. I'll definitely do > that, and thank everyone for their positive feedback. > > > > 73 to all, > > > > Tim > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
