Technological advantage and product characteristics 1, high power density, long service life, cycle life is superior, 2, optimization design of air duct, uniform heat dissipation, high efficiency, high safety with protection against over-charge and over-discharge¡ê¬strong shockproof ability; 3, battery system internal connection is persistent and reliable, low internal resistance, allows large current discharge; 4, single battery used the pp base material plastic , with good strength and high & low temperature resistance 5, using multiple patent design. S