Cadex Electronics Inc. C7000-C Series Battery Analyzers .
Available settings: 8mV/cell – 64mV/cell
Recommended and default Negative Slopes:
For 1.2V - 2.4V batteries: 24mV/cell
For 3.6V – 36V batteries: 8mV/cell
Always use the lowest possible negative slope setting. Increasing the negative slope
setting delays charge termination causing the battery to heat up at the end of charge.
Sometimes, decreasing the negative slope may terminate charge prematurely if the battery
has voltage fluctuations due to instability.
End of Discharge
The End of Discharge defines the threshold point at which the discharge cycle is
terminated.
Available settings:
0.76 – 1.12V/cell (NiCd, NiMH)
1.36 – 1.95V/cell (SLA)
2.30 – 3.20V/cell (Li)
Most battery-powered devices are designed to operate at the default settings provided
below. However, some devices may have a higher or a lower cut-off value, so these values
may have to be adjusted if the battery capacity is being compared to the device used in.
Refer to the manufacturer settings for these cases.
NiCd and NiMH: 1.00V/cell.
SLA: 1.75V/cell. This value can vary depending on the Discharge rate used. Refer
to the manufacturer specifications.
Li-ion: 3.00V/cell. A good number of Li-ion batteries have 2.50V/cell as the End
of Discharge setting. Refer to the manufacturer specifications.
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