4. Protection Circuit Module (PCM)
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4.1 The cell/battery pack shall be with a PCM that can protect cell/battery pack properly.
PCM shall have functions of (1) overcharging prevention, (2) over-discharging prevention, and (3) over current prevention to maintain safety and prevent significant deterioration of cell performance. The over current can occur by external short circuit |
4.2 Overcharging prohibition:
Overcharging prevention function shall stop charging if any one of the cells of the battery pack reaches 4.25V. |
4.3 Over-discharge prohibition:
Over-discharging prevention function shall work to minimize a dissipation current to avoid further drop in cell voltage of 2.5V or less per cell in any cell of the battery pack. It is recommended that the dissipation current of PCM shall be minimized to 0.5uA or less with the over-discharge prevention.
The protection function shall monitor each bank of the battery pack and control the current all the time.
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5.Storage
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| The cell should be stored within the proper voltage and
temperature range
specified in the Product Specification.
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