Lithium ion batteries do not require breaking in.
Your dud may not be a fake, it may have just slipped through LG QC or perhaps it was stored badly or a number of other factors. However it's advisable to only buy from reputable dealers, not Ebay or Amazon as both are awash with fakes.
If a battery does not perform as you expect it to especially a new one, recycle it and move on. For the sake of five bucks it's not worth it.
Your dud may not be a fake, it may have just slipped through LG QC or perhaps it was stored badly or a number of other factors. However it's advisable to only buy from reputable dealers, not Ebay or Amazon as both are awash with fakes.
If a battery does not perform as you expect it to especially a new one, recycle it and move on. For the sake of five bucks it's not worth it.
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