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by Joel_Mckay
646 days ago
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The problem is there are many different types of Li cells. Some tolerate a wider Safe Operating Area for power output and temperatures. I don't want to get into the name-and-shame game with other manufacturers. The 3 brands mentioned are generally very good quality, and if you can source new cells without counterfeit/expired nonsense... they will perform as per their app notes. The cycle limit is a function of whether your charger IC is smart, slow-charge/low-current-discharge, and if your firm uses capacity Boosting (stress costs cycle counts.) >Or it decreases gradually and 2k is the worst case? Anecdotally, sensitivity seems somewhat correlated with cell use/age. The more stress, and the faster the cell degrades. Best of luck, =3 |
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