VINTRONS Battery For RTI ATB-1100-SANUF, Pro24.i, Pro24.z, 41-500012-13, Pro, Pro24.r v2, Pro24.r Capacity: 1200mAh / 4.44Wh Type: Li-ion Volts: 3.7V Size : 53.00 x 33.90 x 5.70mm Certificated with ISO9001, RoHS & CE for quality assurance.