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ULTRAMAT 14 plus - Graupner

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Ni-MH-Delta-Peak (-∆ Peak) trigger voltage<br />

NiMH ________________<br />

delta-peak-<br />

________________<br />

volt = 5mV/cell<br />

+ -<br />

INC DEC<br />

It is possible to adjust the trigger voltage (in mV per cell!) of<br />

the automatic termination circuit for Ni-MH batteries.<br />

However, Ni-MH batteries have a less pronounced voltage<br />

drop than Ni-Cd cells, and a practical range has proved to<br />

be 5 ... 25 mV / cell. If the trigger voltage is set higher, there<br />

is a danger of overcharging the battery; if set lower, there is<br />

a danger of premature termination.<br />

We recommend that you carry out a series of test charges<br />

to establish the ideal trigger value for your batteries. Start<br />

with 5mV / cell.<br />

35

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