It doesn't matter what they say about the previous battery. If your in service date is less than 10 years and you've got less than 158k on it, then your battery is covered. I would call American Honda directly and find your in-service date first off.
2004 Honda Civic Hybrid "Eeyore" @ 51 mpg
-MaxIMA battery from Bumblebee
-Lower grill block
RIP 2000 Insight, 40k miles @ 69.2 mpg