... overcurrent, anti-overload 3. Compose Type: Injection Technology to make battery more stable 4. Certifications: CE, UL, UN, RoHS, ISO9001 ... 1, High energy density 2, High working voltage for single battery cells 3, Pollution-free 4, Long cycle life 5, ... . No.ItemSpecification1Rated Capacity740mAh2Nominal Voltage3.7V3Charge Limited Voltage4.20 +0.03 -0.02V4Discharge Cut-off VoltageThe min is2.75V, and ...