Since the battery life of our our phones seriously sucks.... I was surfing the bay looking to get a couple spares and a charger.......I noticed that all the OEM Samsung batteries are 1440mAh........ Because I am a curious guy I looked at mine......Mine is 1500mAh. Even the replacement on samsungs website is 1440 mAh. "High Power Lithium Ion Battery SAMSUNG uses the latest Lithium Ion battery technology giving you the best performance possible. SAMSUNG batteries are designed to deliver the most reliable and long lasting power. (1440mA)." What does everyone else have?