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Does anyone have experience with minimum cell voltages (and safe working minimum voltages) for NMC cells? I'm looking for the minimum under load as well as a capacity vs voltage. I had found this through battery university, which helps a lot, but may not apply to large format cells (60Ahr+).
http://batteryuniversity.com/learn/article/discharge_characteristics_li
http://batteryuniversity.com/learn/article/bu_216_summary_table_of_lithium_based_batteries

This shows a min voltage of 3.0V but a very little gain once around 3.4V is hit.
 
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