A set of batteries (3) deformation at the same time, first perform voltage checks. If the voltage is basically normal. It should also be measured whether the single -grid voltage is determined whether it is short circuit. Without short circuit, the deformation is caused by the over -charging "heat out of control". Check the charging parameters of the charger. If the voltage is high (above 44.7V), if there is no over -charge protection or a low conversion current, the charger is required.

　　There are only 1 or 2 deformation of a set of batteries (3), which may be the following failure:

　　(1) The battery capacity is inconsistent, and some batteries are caused by excessive charging during charging. The reason for the inconsistency of the capacity may be that there may be short -circuit single -frames, or users may discharge the battery test or self -discharge.

　　(2) It is that some batteries appear unable to reverse sulfate, increase internal resistance, and deform charging heat.

　　(3) It is the back connection when some batteries are connected to cause charging heat deformation. Check discharge capacity and self -discharge performance for unresolved batteries. If there is no abnormality, it is not a battery problem.

　　solution

　　· Makes as much as possible without leakage to as much as possible to prolong or avoid the generation of "heat out of control".

　　· Avoid internal short -circuit or micro -circuit, and a tendency to be slightly short -circuit.

　　· During the use process, it should be prevented from discharge, so as to store sufficient electricity.

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