system halt
2.VRLA Battery widely apply in the electric power communication,finance,traffic important department as mothball power supply , VRLA Battery on the float charge mothball state in the peacetime, through alternating current(AC) communating and switching direct current(DC) to supply to load ,when AC miss or emergence occur, VRLA Battery is the only provider to load. In case VRLA Battery comeforth trouble ,Power supply system be faced with paralysis, cause equipments halt ,or other accident .
