... ModelPackagePE or plastic bag, as your requirementSafety and stableHigh-tech lithium battery, undergoes drop test, smash test and acupuncture test to ... circuit protection,safety for using4) No memory effect: The lithium ion battery has no memory effect, can be charged ... properties, not easy to rust6)Environment friendly: No free of metal lithium, do not contain mercury, cadmium, lead, and other harmful ...