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Nov. 14, 2023, 4:22 p.m. -  Justin White

Except you don't really control that too low or too high on most devices. Anything with an internal charging-circuit/BMS is going to charge to whatever voltage range the manufacturer chose for their own power/life trade-off. Same with discharge, the circuit is going to monitor the voltage to keep the cell alive and shut itself down before you can fully discharge to the point of damage. This is the art and science of maximizing runtimes and lifetimes: good cells and smart management systems, and making trade-offs based on them.

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