Buy these and check your battery's BEFORE every flight. Dont fly if your battery pack is below 4.8v. You will figure out real quick how long your packs will last. $29 is a LOT cheaper than than replacing your plane. Everyone I know keeps an Expanded Scale Voltmeter in their flight box. Expanded Scale Voltmeters put a "load" on your battery so you can tell how it will react. A regular voltmeter only shows the standing voltage. A dead battery can show 4.8v, but under a slight load, will drop the voltage very fast down below 4v. This is a MUST have tool in my opinion.
http://www3.towerhobbies.com/cgi-bin...?&I=LXPWB2&P=M
http://www3.towerhobbies.com/cgi-bin...?&I=LXWW16&P=7
ORIGINAL: F-18
Also, About the binding, my plane servoes usually makes little squeaking noises when just sitting their? Is this normal?
Digital servos "chatter" when sitting at idle. This is normal.
ORIGINAL: F-18
I purchased a 4.8v , 2300 MAH 4 cell battery a while ago, this should last a little longer then the 1100 one right?Also, Is 4 10 minute flight well in the safe zone?
Yes, 2300 MaH should be fine for 7-8 flights maybe more, check between flights with the voltage meter as stated above.