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Posted: 2/7/2016 11:30:46 AM EDT
[#1]
This should probably work
http://www.tripplite.com/100w-powerverter-ultra-compact-car-inverter-with-outlet-12v-cla-receptacle-and-2-usb-charging-ports~PV100USB/ If you need something larger they have a 200W also |
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Posted: 2/7/2016 1:06:20 PM EDT
[#2]
Quote HistoryQuoted:
This should probably work http://www.tripplite.com/100w-powerverter-ultra-compact-car-inverter-with-outlet-12v-cla-receptacle-and-2-usb-charging-ports~PV100USB/ If you need something larger they have a 200W also Tripp-Lite's abbreviation "PWM" could be viewed by some as trying to conceal the fact the power is not pure sine, but rather is stepped ... Over the years, Tripp-Lite has lost the association with quality that they used to have in my book. (This is an example of why/how ...) Here's a cheap alternative from Amazon: Samlex PST-120-12 Pure Sine Wave Inverter 120 Watts AC DC 120 VAC USB Port 12V |
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Posted: 2/7/2016 4:13:36 PM EDT
[#3]
No reason to go up to 120 V sine wave.
Most laptops have DC inputs. The first thing the power supply dies is rectify the input. |
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Posted: 2/8/2016 7:03:49 PM EDT
[#4]
You should be able to find a 12volt charger for your laptop. We get them for our tough books for $23
That would be more efficient than an invertor. |
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Posted: 2/9/2016 2:54:12 PM EDT
[#5]
Quote HistoryQuoted:
You should be able to find a 12volt charger for your laptop. We get them for our tough books for $23 That would be more efficient than an invertor. I carry a few other pieces of equipment powered by lithium ion batteries (usb jack requirement) and I need to top them off for additional use in the field without going back to the office. When I called the manufacturer they stressed pure sine wave inverter for that job. It wouldn't be such a struggle if I didn't swap vehicles on occasion, but I can't get around that either. |
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Posted: 2/9/2016 5:25:35 PM EDT
[#6]
i have run all sorts of things off a modified sine wave inverter, including several li-ion chargers without issues.
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Posted: 2/13/2016 8:42:36 AM EDT
[#7]
If you really must use an inverter I highly recommend the Samlex brand. Pure Sine or Modified Sine, Samlex is the way to go!
Good prices on Amazon coupled with their return policy and you can't go wrong. |
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Posted: 2/14/2016 2:43:49 PM EDT
[#8]
Quote HistoryQuoted:
I carry a few other pieces of equipment powered by lithium ion batteries (usb jack requirement) and I need to top them off for additional use in the field without going back to the office. When I called the manufacturer they stressed pure sine wave inverter for that job. It wouldn't be such a struggle if I didn't swap vehicles on occasion, but I can't get around that either. Quote HistoryQuoted:
Quoted:
You should be able to find a 12volt charger for your laptop. We get them for our tough books for $23 That would be more efficient than an invertor. I carry a few other pieces of equipment powered by lithium ion batteries (usb jack requirement) and I need to top them off for additional use in the field without going back to the office. When I called the manufacturer they stressed pure sine wave inverter for that job. It wouldn't be such a struggle if I didn't swap vehicles on occasion, but I can't get around that either. Whomever you talked you is a stupid fool. A 'customer service' person that knows nothing that is not in the instruction book. We used to call them 'bit weenies' since that is all the electrical engineering they knew. Many of the 'wall warts' you use only produce a pulsing DC signal since they contain a rectifier Filtering capacitors (smoothing caps) would make the device larger so they are left in the equipment. |
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