Question about Haier HLT71 7 in. Portable TV
You simply need a DC - AC Inverter, these can be obtained from somewhere like Radio Shack, or the like, pretty cheaply. These convert 12V DC into 115/120V AC (Some are 24V - 115/120 V) for use with your household appliances.
You can get them from 100 Watts to over 1 kilowatt (!000 Watts) They can be used on almost anything at all, except things with big motors in them. Then you can simply plug the AC adapter into the inverter and you are good to go. not having to worry if your laptop is getting correct power.
Often the DC input into a laptop is between 14 Volts DC to 22 Volts DC and a high current too, up to 5 Amps. So the inverter is your best option.
Anyway you would need to use at least TWO 12 Volt batteries and then you would have to make it the exact voltage the laptop needed.. if it was say 19V then you are still going to have to find a way to drop the 24 V to 19 V, anyway so.....
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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