yuo need to dishcarge all the way and charge all the way do this a couple of tiumes the reason for this is ni mh will get build up a memory so if you dont run it all the way down then and charge to peak batt performance then it will start to buuild a memmory you can set the cahrger around 1.2 -1.5 on the battery setting and just follow instruction if you dont have them you can down load the manual of the net but go to lipos 11.1 1320 later