APC施耐德蓄电池M2AL12-100SFR 密封铅酸电瓶 12V100AH不间断电源 
Uninterrupted switching betweentwo power supplies;
Isolation. The transientdiscontinuity, harmonics, voltage fluctuations, frequencyfluctuations and voltage noise and other power grid disturbancesare blocked before the load, even if the load does not interferewith the power grid, the interference in the power grid does notaffect the load;
APC施耐德蓄电池M2AL12-100SFR 密封铅酸电瓶 12V100AH不间断电源