Help with buying batteries

I’m going to buy 2 budget batteries from the online store, this 5" runs on the 4s and 6s Lipo, but I choose the 4s. Does anyone have any advice on which batteries I should buy? I saw a battery on facebook, it’s cheap, evaluating these batteries: 4s 1500mah
If the battery is durable, then I don’t have to replace it with a new one as often. Will this brand meet my needs?

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Just make sure you do your research and buy something that has plenty of positive reviews. To me the term “budget batteries” is a dangerous one.

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