what you need a battery pack such as duralast gold jump starter or any thing with a 12 volt outlet a Duracell 175 watt dc to ac converter and a tv(one that is under 130watts) to find out how many watts a tv is using divide volts by amps my case was 120v /1.2a =80w the Polaroid TV I have will function on 100v-240v 50/60hz @1.2a the current in my house is at 120v
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