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Hello, I am planning to get Ravpower 23000 mAh Power Bank. Link to the gadget - https://www.amazon.com/RAVPower-23000mAh… It has around 500 charge cycles. I was wondering if there is any possibility of replacing the batteries inside once they wear out. The unit itself costs around 100 dollars, I assume replacing the batteries inside would be cheaper. Is there any practical way of doing it? Thanks a lot

elchinaxundov practi\cal no really. The batteries are not meant to be user replaceable, but it can be done. One of the problems you may run into is finding the right batteries for a decent price. Just ran into some trouble with that while working on a RP-WD02 myself. Anyhow, yes it can be done.