... cadmium, nickel hydrogen 20-30%. 2, high-voltage A lithium-ion battery voltage of the monomer 3.7V (average), equivalent to three ... .4, long cycle life Under normal conditions, the lithium-ion battery charge and discharge cycles of more than 500 times. ... effect refers to the nickel-cadmium battery charge-discharge cycle, the battery capacity decrease. Lithium-ion batteries do not exist this effect ...