The failure of VRLA sealed batteries is likely to occur in some unattended use units. After the battery is used, battery voltage is often uneven due to poor charging. Some batteries are overcharged or undercharged, causing the battery to fail gradually. The thermal runaway of the battery may cause catastrophic failure.
The current, voltage, and battery temperature are the three elements of operation and maintenance. Therefore, under certain circumstances, the battery real-time data monitoring, measurement of voltage, temperature and so on.
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