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¡êstrong 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. Carton package