... cadmium, nickel hydrogen 20-30%. 2, high-voltage A lithium-ion battery voltage of the monomer 3.7V (average), equivalent to three ... not explode, it will only bulging.4, long cycle life Under normal conditions, the lithium-ion battery charge and discharge cycles of more ... cycle, the battery capacity decrease. Lithium-ion batteries do not exist this effect.8, fast charging Rated voltage of 4.2V using a ...