Chosen Solution

My tab may charge to whichever level, sometimes even up to 100% but within a few seconds after being plugged off, it loses all power and shuts down

Hi @nsluc , The tablet’s battery may be failing and needs to be replaced. Even rechargeable batteries have a life span. Here is a link to a video which shows how to replace the battery in your tablet. Search online for Samsung Galaxy Tab 2 7.0 battery to find suppliers of a replacement battery, that suit you best. Hopefully this is of some help