New Battery EB-L1D7IBA + LED Battery Charger for Samsung Galaxy S II T989 Skyrocket Galaxy Rugby Pro High Quality Li-ion Battery1850mAh; 3.7V Protection against short circuit;Anti-explosion protection Anti-over charge protection;Anti-over discharge protection Smart Battery; Power control chip; LED Universal Battery Charger: Input: AC100-240V-50/60Hz 150mA; Output: DC5.2V 1250Mah