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Frequently Asked Questions
How to select the charging mode?
Please select the charging mode according to the battery type and capacity. We
recommend that the current value should not be greater than 20% of the battery capacity
value. For example, for a 20Ah battery, we recommend that the current is not greater than
4A.
Will TB6000Pro stop charging automatically after the battery is fully charged?
Yes. TB6000Pro adopts 9-step smart charging. When the battery is fully charged, it will
automatically stop charging without the risk of overcharging. If you still leave the battery
connected, the charger will keep monitoring the battery status and will automatically start
charging when the battery voltage falls below its target threshold.
Can TB6000Pro charge multiple batteries simultaneously?
Yes. Please correctly connect these batteries in series or parallel before charging. If you
have questions about the connection, you can consult the battery manufacturer or contact
us for help.
Is REPAIR mode applicable to all battery types?
No, it can't be used for lithium batteries. However, it is applicable to all types of lead-acid
batteries.
Why can't some batteries be used normally after repair?
Please consult the battery manufacturer whether the battery is completely damaged and
whether it can be repaired.
Why can't some batteries be charged?
Generally, a 12V battery with a voltage lower than 8.5V is damaged and cannot be
charged normally. If the battery is damaged or Er4 error is reported, you can select the
12V Supply mode to recover battery charging.
Why does battery voltage drop to about 13V after it is charged to above 14V (or
when charging stops)?
The voltage of a fully charged 12V lead-acid battery is between 12.8V and 13.4V. For
effective charging, the battery voltage will reach between 14V and 14.4V during charging
time. Therefore, battery voltage will drop to about 12.8V to 13.4V when charging stops (or
when charging enters Step 9).
After the battery is fully charged, the charger will resume charging with a small current if
the battery voltage is detected to drop to 12.8V. You can also change the resume charging
voltage of Lead-acid Battery mode in Step 9 of the Expert Mode.
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