[newgun]

If your battery charges quickly, it is probably bad. My phone's battery behaved like that, and the battery level dropped from 100% to 60% within 30 minutes with no activities. Finally I purchased a battery on amazon.com (Dekcell Battery for Audiovox PPC6700, PPC 6700, XV6700, PN. BTR6700, BTR6700B), sold by SF Planet, for $11 (incl. shipping). The capacity is 1500mAh vs. my original 1350 mAh from UTStarcom. The new battery's level stayed at over 70% after a day (well, I didn't make any call, only about 30min or so internet surfing).