What's supposed to be the phones problem if battery draining too fast and dying easily?

[AC Question]

If i can successfully open/on the phone, battery drains so fast and die. And much worse is i cannot open it again. I just want help on what part of the phone will i replace with this kind of problem.. Thanks

 

[jhezzpapa]

My phone is LG G2 D800.. If i can luckily open/on my phone, the batterys draining so fast and die on me. And much worse is i cannot open it again. I just wanna know what might be the phones problem. And if will replace a part, what would it be? Thanks

 

[belodion]

Welcome to the forums.

I'd say that the battery needs replacing.

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