Electric vehicle battery common six major faults and repair methods

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

First, the battery's loss of water failure is desired to show battery capacity decreased, which causes thermal out-of control and positive electrode deformation, and battery shape expansion. Repair: Open the cover of the electric car battery; open the rubber cap, reveal the exhaust hole; observe the electric car battery through the exhaust hole, is a dry phenomenon, if there is a hydrating. In addition, it is proposed to use medical disposable syringes and secondary distilled water, add water to be cautious, not enough.

Second, battery unbalanced faults It is desired to be a small battery that has problems in the battery pack, and other good batteries cannot be used normally. Repair method: The battery is unbalanced, the user can find the consistent battery of capacity, voltage, self-discharge, battery internal resistance. Third, the battery sulfate fault is desired to be characterized by generating white hard sulfate crystals on a plate, and it is very difficult to transform the lead in the active substance when charging.

Repair method: The repair instrument can be repaired, by measuring the battery status, during charging, discharge, the positive and negative variable frequency microparticle wave is continuously issued, by about 15 hours, you can remove the crystalline and hardening sulfate in the battery. However, it should be noted that this is generally only suitable for slight sulfate. And if sulfate is more serious, replace new batteries.

Fourth, the battery polar panel softening fault is desired as the surface of the positive plate from the beginning of the solid gradual loose soft until it becomes a paste, and the battery capacity will result in a decrease in battery capacity due to a decrease in surface area. Repair method: After the battery is discharged from 10.5V, use the bulb to discharge from 1 to 5 hours.

Then use the activator, activation repair. In this case, there is a certain chance to repair, but the situation is heavy, it can only be replaced. V.

Battery short-circuit faults It is necessary to manifest its own discharge when the fine lead blocks are in the short circuit, which seriously affects the battery life. Repair method: Remove the lead slag lead block of the short circuit, recovery from the newly disposed panel paper. 6.

The battery open fault is a tight manifestation as a certain place in the circuit, which is too large, and the current cannot be passed. Repair method: Use the multimeter to check the interior of the battery, find the disconnection, then refold the line. In fact, in daily life, we must increase the maintenance of the battery so that the battery life can be extended to maximize battery life.

In addition, if you encounter these six battery failures, it is impossible to handle it as soon as possible to repair the maintenance, so as not to cause new problems.

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