XN-1BT77, SHARP, Sharp 770SH, Sharp SX633, Sharp WX-T81, Battery Type: Li-ion, Voltage: 3.70V, Capacity: 820mAh, Color: Grey, Dimension: 44.80 x 38.00 x 4.60 mm, Product Type: Replacement Battery (Brand New), Condition: New, 1 year warranty!, Weight:...