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(3) Connect the battery to the tester, press the battery repair function button on the tester to repair it. The tester automatically enters three to six hours of sulfur removal and repair, and after three hours of sulfur removal, it automatically switches to working mode 3, charging and discharging, with a charging current of 3A and a discharging current of 5A

The tester automatically displays the discharge capacity and time, which is very intuitive. Record the capacity each time and repeat it three or four times until the capacity no longer increases.

3. Battery parallel shunt method: If the temperature of the battery rises rapidly during the repair process, the charging and discharging current should be reduced. At this point, two batteries can be connected in parallel and connected to one circuit of the tester. The charging and discharging current is half of the original value (ignoring the difference in internal resistance), and the effect is also very good. (Note: If there is a significant difference between the voltage and capacity of parallel batteries, use a diode with a current greater than 6A to isolate the battery or pre charge it separately first to avoid the impact and impact of high voltage and capacity batteries on another battery.)

4. Battery series repair method: This method is used when the nominal voltage of a single battery is below 12V. For example, rechargeable emergency lights on the market often use 6V4AH and 6V7AH batteries, while the single output of the tester is 12V. At this point, two 6V batteries can be connected in series to the tester for sulfur removal repair (note: 1. Appropriate charging and discharging current should be selected based on the nominal capacity of the battery; 2. If only sulfur removal is done without the tester charging, it can be done without the need for series connection).

5. Output connected charging current increasing method: If the repaired battery has a large capacity, such as some cars using 100AH batteries, sometimes a new charging current needs to be added. At this time, two or more output terminals of the tester can be connected in parallel to the repaired battery to enhance the charging current.

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