11747 backup box products are offered for sale by suppliers on Alibaba.comAbout 2% % of these are switching power supply, 1%% are solar inverters, and 1%% are electronics & instrument enclosures.
A wide variety of backup box options are available to you, You can also choose from solar home system, home appliance backup box,as well as from mppt, no, and pwm backup box,and whether backup box is monocrystalline silicon, or polycrystalline silicon.