Does NOT perform like a new battery

This battery doesn't hold charge well at all. Once my phone gets to 40 percent battery it drains so quickly. Originally bought because my old battery wasn't holding a charge well but this battery isn't any better. My husband just replaced his battery on the same type of phone (galaxy s5) and his is much better than mine for the same price through a different supplier here on amazon. I've even switched his to my phone and it works much better...that's why we know it's the battery not the phone. I feel like I have just wasted my money and I won't be doing business with this company again

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