CoreParts Battery for Mobile 6.66Wh Li-ion 3.7V 1800mAh for BlackBerry Z10, Laguna, Z10 4G, Z10 4G LTE, BBSTL100-4w, BBSTL100-4, STL100-2, RFH12LW, Z10 4G LTE STL100-2, Z10 LTE STL100-3, Z10 STL100-1, RFK121LW, STL100-3