Will we store original batteries for future use?
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Was purchased k20 pro original battery from service centre for future use as my stock battery still have 68% battery health. So my query is will I charge that new battery to prevent it from self damage or store it without charging? Which thing affect it negatively?
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Yes. Although Xiaomi itself stores batteries at 30% SoC (State of Charge). It's clearly mentioned on the battery packaging. Devices with Li-ion batteries are often sold in what is termed the "shipping mode" where the charge is kept at 40%.
Actually it's new unused battery with manufacturing date of 2020!
I think original battery are made in stock when phone is launched.
The point is service centres are never charge the batteries until it installed in phone's. Don't know how that much time batteries are survive without charging.
I received my Poco F4 with 1% charge last month. Assuming it was stored at 30% charge then in 9 months it dropped by 29% due self-discharge. Under ideal storage conditions Li-ion batteries lose 2-4% battery capacity every year. I plan to get a replacement battery in 2nd year and maybe another in the 3rd year provided the service center agrees to return the original battery like in the case of my Poco F1.
1)how you checked battery health ?
2) MI service centre providing batteries without installation ? Which city ?
Store it with around 50-60% charge. As per research and testing, that's the ideal % charge before storing batteries. Don't store it at 0% or 100%