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Old 05-06-2023, 09:18 AM   #12
Quoth
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It's total cycles (i.e. 4 x 25% discharge = one cycle), temperature and time that sets the life of the cell. The 30% to 70%, or 33% to 66%, is really only for storage or shipping. A decent charge controller won't lett the cell be overcharged or over discharged.

Don't leave it on a windowsill or in a vehicle. Elevated temperature is bad. Freezing can be bad.
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