Cameron Sino 1300mAh Replacement Battery for Texas Instruments TI-84 Plus CE, Select TI-Nspire CX Cameron Sino Brand New and High Quality Replacement Battery for Texas Instruments Type: Li-ion, Volts: 3.7V, Capacity: 1300mAh / 4.81Wh Dimension: 52.70 x 42.88 x 4.80mm, Weight: 60g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty