Model: 543450 Dimensions: 5.4x34x50 mm Capacity: 1000 mAh Voltage: 3.7V Environment of usage: -40C ~ 80C Certifications: CE, ROHS, UL, FCC, KC, UN38.3, IEC62133, CQC, MSDS Description: Safe, Slim, Good capacity and Low internal resistance, Long life, No internal Memory effect, ... ACCEPT CUSTOM MADE ...