Dead car out of no where!!

[Dustin904]

Hey guys my roommates rsx is giving him some problems he drove it around for a few hours then stopped at the grocery store came out and his car was dead no power what so ever tried boosting and nothing no dash lights when you try to turn it over the e-brake light comes on dim when we turned on the interior light it was dim and dimming with the rev from my truck so it seemed like it was only getting the power my truck was providing took the battery to napa they tested it can said the battery was good it had more amps then its rated for

Any idea of what this is? Or where to start looking?

[C25A1guy]

Check battery cables.