I have electricity. I have a TV which I could cast hulu to from my mobile device but hate to use up all of my data. I have unlimited wifi in my Sierra which claims to transmit up to 50 ft. I would like to use wifi for Hulu but the key has to be on thus draining my truck battery. Can I leave the key on and hook up a trickle charger to my battery? If something like that would work, which setting should I use, slow, medium or fast charge? Thanks.
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