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Not having to match single cells in mobile phones and tablets, as is required in multi-cell packs, opens the floodgates for a much broader performance acceptance.Cells with lower capacities may slip through cracks without the consumer knowing.
A battery may fail within the allotted time due to heavy use or unfavorable temperature conditions; however, most packs last considerably longer than what the stamp indicates.
The batteries were then discharged at 1,500m A to 3.0V/cell, and the cycle was repeated.
The expected capacity loss of Li-ion batteries was uniform over the delivered 250 cycles and the batteries performed as expected. Eleven new Li-ion were tested on a Cadex C7400 battery analyzer.
The lithium-ion battery works on ion movement between the positive and negative electrodes.
In theory such a mechanism should work forever, but cycling, elevated temperature and aging decrease the performance over time.