1650mAh EB575152LU Li-ion Replacement Battery for Samsung Galaxy S1 i9000 i9001 , Captivate i897 , Focus i917 , Captivate Glide i927 , Vibrant T959, 18-Month Warranty 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