MVP Owners Group-into the next generation…

JimmyDB;14352040 said:

If you want the batteries to last as long as possible, then keep the voltage low.

I think Table 4 puts it best...
How to Prolong Lithium-based Batteries - Battery University

http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries said:

Charge level	Discharge cycles	Capacity at full charge
4.20	300 – 500	100%
4.10	600 – 1,000	~ 90%
4.00	1,200 – 2,000	~ 80%
3.92	2,400 – 4,000	~ 75%

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