About product and suppliers:
            370,582 china power products are offered for sale by suppliers on Alibaba.com, of which power banks accounts for 4%, relays accounts for 1%, and professional audio, video & lighting accounts for 1%. 

A wide variety of china power options are available to you, such as 3000-4000(mah), 15001-20000(mah), and 4001-5000(mah). You can also choose from double usb, dc, and apple interface china power, as well as from usb, ac, and usb type c china power, and whether china power is ultra slim, with cable, or fast charging. 

There are 118,219 suppliers who sells china power on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., and Taiwan, China, from which the percentage of china power supply is 99%, 1%, and 1% respectively.