Correct charging method for new car batteries

Connect the positive pole of the battery to the positive pole of the power supply and the negative pole of the battery to the negative pole

The initial charging is carried out in two stages: first, the initial charging current is charged to the electrolyte to release bubbles, and the cell voltage rises to 2.3 to 2.4V. Then, the current is reduced to 1/2 initial charging current, and the charging is continued to the electrolyte to release a vigorous bubble, which is stable for 3 consecutive hours. The total charging time is about 45~65h.

During the charging process, the temperature of the electrolyte should be measured by halving the current, stopping charging or cooling. The temperature is controlled at 35~40 °C. When the initial charging is completed, if the specific gravity of the electrolyte is not specified, distilled water or electrolysis with a specific gravity of 1.4 is applied. The liquid is adjusted. After adjustment, recharge for 2 hours until the specific gravity meets the requirements.

The new battery often fails to reach capacity after the first charge, and a discharge cycle should be performed. Discharge at a discharge rate of 20hh, and then replenish the charge current. If the capacity is still less than 90% of the rated capacity after one charge and discharge cycle, a charge and discharge cycle should be performed.

As a filler metal welding wire or both as a conductive wire welding materials used. When gas welding and gas tungsten arc welding, welding filler metals used; in submerged arc welding, electroslag welding and other time MIG arc welding, welding filler metals both, but also conductive electrodes. Surface oxidation coated wire is not the role of flux.


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