New EB-L1K6ILA Battery For Samsung Galaxy S Relay 4G T699 Stratosphere II 2 i415 by aishuma 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 : 1800mAh