New Battery Question!

A local Motorola dealer I do business with gave me a real good deal on 2 brand new 1500 mAh batteries for my 2 HT1550XLS portables. I charged them for about 14 hours before use. Now, last night I put them both to scan as I went to bed around 10:30PM and were still going as of 7:30AM. Each still shows 2 bars instead of 4 on the display. So, in scan mode, no TX, how long should I expect the batteries to last? What is considered average? Every battery I have used on these portables has been used but in good condition. This is my first experience with brand new batteries.



Manny