This battery of mine is completely new, the charger seal hasn't even been opened yet. I bought this yesterday for my Pocket 4 camera, but it supports Pocket 3, which is why after connecting to Pocket 4 it disconnects after a short while. Even after a lot of requests to the shopkeeper they didn't exchange my battery. I only charged it once, when I saw there was an issue I didn't charge it anymore. However, this is perfect for the Pocket 3 camera, I will now sell this and buy a power bank, please someone help me by buying this, the item is completely new.