On 4/9/25 13:49, Gary Sparkes wrote:
An interesting thing to be concerned about, given average temperature exposures
compared to consumer electronics devices with usually inadequate cooling,
compared to LiFePo4 in a UPS, which has been my baseline for years now as SLA's
age out.
It's often hard to keep Li-Ion batteries at the recommended 25°C. Some
environments are worse than others, and while Li-Ion batteries can
tolerate +/- 15°C, it's often not recommended. Some active cooling may
be required for summer, or for perennially warmer regions.
Of course, you also have to think about extremely cool environments.
Li-Ion batteries do not like to be charged below 0°C. In such cases,
better to place a heater next to the battery so it can warm up before
you start charging it. Charging it when it's that cold will lead to
plating, which causes short circuits and capacity loss.
Mark.
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