Dell Inspiron 2200 inverter - can't find exact number anywhere

I am looking to buy an inverter for my Dell. The ones listed on ebay just say that they work on my model. They don't list an exact number. If they do, it doesn't match mine. Some are listed as 15" whereas mine is 14.1" My inverter says V12144T. Some of theirs are off a few numbers. The question is are they close enough. If the ad says it will work on a 2200, do you think it will?
Thanks
 
That link goes to an auction advertising an inverter for a 15.4". Mine is 14.1". Also part numbers not right...
 
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