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21124 backup power generator products are offered for sale by suppliers on, of which portable power stations accounts for 58%, diesel generators accounts for 14%, and solar energy system accounts for 7%. A wide variety of backup power generator options are available to you, such as solar panel, ac adaptor and car.You can also choose from mppt, no and pwm backup power generator,As well as from pure sine wave, modified sine wave backup power generator,and whether backup power generator is lithium ion, or lead-acid.