The listing is correct with TWO exceptions: The listing says "Each battery slot is for individual charging and recognizing." They are NOT individually charged or connected to do this. It uses the average battery voltage to determine the health of ALL batteries. This is insignificant, and for a $10 case, 1S8P was expected. However, I downgraded ONE star due to misinformation on the listing. The listing says "Compatible with 18650 flat head lithium battery (69mm length)". , and 0 means round, also this is secondary, 69mm would be the length with the protection circuitry, so they show FLAT TOP). "It can be opened/closed once." They should have used rechargeable batteries instead of trying to put in new batteries, maybe 18650s? You gave the product 1 star for that. You're the kind of reviewer I ignore because YOU can't see your misunderstanding of the product from the manufacturer. There is either 1 or 5 stars for you, your life must be hell if you live in a gray world with a black and white mindset. I don't understand why people give this 3 or even 1 star just because you can't reopen it. If you want to use the batteries for something else, get this: https://www.amazon.com/dp/B08B86KHB2 What makes you think you can open it again? The lack of a sliding battery cover, or the fact that clips are used instead of screws to hold them together, or is it a note on the case that says "AFTER CLOSED, YOU CAN'T OPEN IT"? I personally think the issue is to be noted. It's clearly too much for some people to read ("Hook On Phonics", ISBN 978-1940384085, it's available from Revain, it's a pre-K version so they should be able to use it). As for the power bank, you literally get what you put into it. Use non-standard or fake 18650 and you can turn on the flashlight a little, use REAL 18650 and it works like a champ, charging the cellphone multiple times over the course of a week. I gave it one star because while it's durable, the case is easily damaged. It also can't withstand a two foot fall (but could be an accident). I have ordered another one. See? 3 star rating and actual valid listing and product issues. Not because *I* ignored a warning or construct.
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