activated will be identified as broken batteries, and the display will show “Err”.
Ⅲ. Button Functions
“Mode” and “Curr.” buttons on the left control the slots of CH1 to CH4. “Disp.” and “Curr.” buttons on the right
control the slots of CH5 to CH8. The slots of CH1 to CH8 support battery charging. Meanwhile, the slots of CH1 to
CH4 have two more advanced functions, grading function and storing function.
* The charger can test the battery’s real capacity by its grading function, so users can know whether the battery capacity is overstated or
not. And when there are some batteries that not used for a long time, the user can use VC8’s storing function to charge/discharge the
batteries to their rated voltage, so as to maximize batteries’ lifespan.
1. CH1-CH8
In charging mode,
◆ Press “Mode”/“Disp.” button to switch the display of Cur(current), Cap(capacity), and IR(internal
resistance).
◆ Press “Curr.” button to switch charging current, 3A/2A/1A/0.5A/0.25A. (It’s a cycle switching, which means
that the charging current will return to the initial one after a circle.)
2. CH1-CH4
Long press “Mode” button to switch modes among charging mode, grading mode(“Grad.”) and storing
mode(“Store”).
Ⅳ. LCD Display
1. In charging mode,
➢ If it shows “CAP”, after the battery is fully charged, the screen will show “FULL” and capacity recurrently.
➢ If it shows “CUR”, after the battery is fully charged, the screen will show “FULL” and current recurrently.
➢ If it shows “IR”, after the battery is fully charged, the screen will show “FULL” and battery’s internal
resistance recurrently.
* When the battery is fully charged, the charger doesn't test its internal resistance, in case the battery being overcharged. Neither will
the charger does when the adapter input current is less than 700mA.
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