... cycle life 4.No memory effect 18650 740mAh 3.7V Lithium Battery Product Description Product Name: Polymer Li-ion ... can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload 3. Compose Type: Injection Technology to make battery more stable 4. Certifications: CE ... energy density 2, High working voltage for single battery cells 3, Pollution-free 4, Long cycle life 5, No memory effect ...