3 pieces New Battery for SAMSUNG D520 D720 D728 E870 E218 E251 E900 E250 S5150 AB463446BU High-quality and rechargeable lithium-ion cell, long conversation and standby time long working life and excellent security. Integrated microchip prevents overcharging & lengthens battery life. Rechargeable with no memory effect Stylish designmade by third party Capacity : 800mAh