Why is my battery draining from full charge to 0 when looking at FB for less than a minute?

[AC Question]

My SCH-S738C Samsung phone's battery could be charged to full and then when I go to look at FB it will go to 0 and shut down. I plug it in for a minute or two and it is fully charged. Why is this happening?

 

[belodion]

Does the same thing happen when you are using your phone for other things?

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