I took apart an old Samsung Tab Pro 8.4 that I had for years as a fun project (tablet died). The battery was perfectly fine and lasted all day. I was wondering, is there an adapter that would let me use the battery as like an external battery? Images below. I imagine that it needs a charger circuitry because the adapter in the photos looks like it directly connects to the battery? Also, is it not worth it? I realize using a battery like this can be dangerous too - at least inside of a tablet it is a bit more protected if something bad happens. Just seems like a waste to toss the battery .