About product and suppliers:
            3 19.5v 7.7a manufacturers products are offered for sale by suppliers on Alibaba.com

A wide variety of 19.5v 7.7a manufacturers options are available to you, 

There are 3 suppliers who sells 19.5v 7.7a manufacturers on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of 19.5v 7.7a manufacturers supply is 100% respectively.