Smaller Battery?

I have a '90 Accord EXR 4DR.

The battery is dead and I dont have any money to purchase a new one. I got a spare brand new battery for a '93 Sentra. The battery is smaller then the accords battery... Can I use this battery in the accord?

Heres a link to what the sentra's battery is-

http://www.canadiantire.ca/browse/product_detail.jsp?PRODUCT%3C%3Eprd_id=84552444324 8306&FOLDER%3C%3Efolder_id=1408474396672453&bmUID=1163970849839

anyone?

yes it will work, might not have same crankng amps but if i'll fit in tray it will work...

Also I charged the old accord battery (well not old the battery is 2 months new) With a automatic battery charger it took about 6/7 hours roughly, what does the reliability look like for the old battery now? Will it just drain out again?

you should be good to go..unless you got a short some where??? but if it only lasted you 2 months you should take it back get another 1 at no charge to you...