Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 1000m Ah Replacement for SAMSUNG Original Battery BST4048BECompatible Cell Phone Models:SAMSUNG E239/D820/D828/P300/P308/T809/Z510/Z518 & More Specification: Weight Approx:24g Size Approx:4.8 x 3.7 x 0.5