Batteries in use arising from failure, mostly due to maintenance and use of improper caused. External battery failure, have the shell and crack the lid, sealing glue dry, very loose and corroded piles, etc.; internal fault has plate vulcanizing, self-discharge, the internal short circuit, active material shedding, such as plate hog. In use, mainly to prevent excessive discharge and excessive charging. Excessive discharge plate sulfide will very on-board active substances should not take part in the formation of a chemical reaction PbSO4 white crystal, which is the early damage to the battery one of the reasons why; at the same time as a result of high current caused by excessive discharge, such as excessive use of starter , high-current discharge time is too long, and should not be replenished in a timely manner charge, resulting in plate hog, damaged partition, so that the battery in a bad state. Excessive charging, the power of water electrolysis to produce hydrogen and oxygen, so that plates have a certain pore pressure plate active material and irreparable loss.
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