Detailed Product Description Features: 1, high-energy-densitylithium-ion batteries are the same weight capacity of nickel-cadmium or nickel-metal hydride batteries for half the volume is 40-50% nickel cadmium, nickel hydrogen 20-30%. 2, high-voltage A lithium-ion battery voltage of the monomer 3.7V (average), equivalent to three series of nickel-cadmium or nickel metal hydride batteries.3, ...