3 Temperature Effects in Relation to Battery Capacity.
At a higher temperature, the capacity of battery increases and conversely at a lower temperature, the capacity of battery decreases. Figure 4 shows the effects of different temperature in relation to battery capacity.
Can calculate the batteries' rated capacity as following formula if the ambient temperature of tested battery is not 20oC-25oC(68oF-77oF).
C: rated capacity
Ct: the tested capacity on t
t: the ambient temperature of
the tested battery
k: the coefficient of temperature. It will be
increased if the discharge current
k=0.006 20 hours and 10 hours rated
k=0.01 3 hours and 1 hours rated
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