i have a 06 civic coupe with stock alt (honda told me we have a 120 amp alt stock) and a stinger batt. i have 4 tvs ps3 power inverter 4 12s 2 amps all running at once and have never had a voltage drop even at full tilt.........no lights dimming or anything like that
you should be fine ......also i think the accord hve bigger alts