Compatible with the following battery types..EB-L1G6LLU, EB-L1H2LLU..SAMSUNG. Samsung GT-I9300, . Samsung Galaxy S III, . Samsung Galaxy S3, . Samsung I939, . Samsung SCH-I939..- Rechargeable Lithium-ion extended battery for Samsung i 9300 Galaxy S iii.- Battery Type: Li-ion; Voltage: 3.7V; Capacity: 4300m Ah.- Special white battery cover for matching the extended battery.- The battery operation time depends on conditions such as.- Transmitting power level.- Signal (distance between the phone & the base station).- Network parameters defined by the operator