what's mean Depth of Discharge (1)?

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what's mean Depth of Discharge (1)? by mary lv

what's mean Depth of Discharge (1)?

what's mean Depth of Discharge (1)?If the cell is pushed further into

voltage reversal, the polarity of both electrodes is being reversed,

resulting in an electrical short. Such a fault cannot be corrected and the

pack will need to be replaced.
On <A href="http://www.good-battery.co.uk">battery </A>analyzers that apply a

secondary discharge (recondition), the current is controlled to assure that

the maximum allowable current, while in sub-discharge range, does not exceed

a safe limit. Should a cell reversal develop, the current would be low enough

as not to cause damage. A cell breakdown through recondition is possible on a

weak or aged pack.
If the <A href="http://www.good-battery.co.uk">battery </A>is discharged at a

rate higher than 1C, the more common end-of-discharge point of a nickel-based

<A href="http://www.good-battery.co.uk">battery </A>is 0.9V/cell. This is

done to compensate for the voltage drop induced by the internal resistance of

the cell, the wiring, protection devices and contacts of the pack. A lower

cut-off point also delivers better battery performance at cold temperatures.
The recommended end-of-discharge voltage for the SLA is 1.75V/cell. Unlike

the preferred flat discharge curve of the NiCd, the SLA has a gradual voltage

drop with a rapid drop towards the end of discharge (see Figure 5-1).

Although this steady decrease in voltage is a disadvantage, it has a benefit

because the voltage level can be utilized to display the state-of-charge

(SoC) of a battery. However, the voltage readings fluctuate with load and the

SoC readings are inaccurate.
more info:<A href="http://www.good-battery.co.uk">www.good-battery.co.uk</A>

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