How to maintain lead acid battery longer lifetime?

Typical life span of a lead acid battery is 300 cycle or 2~3years in an environment of 15-25C ambient temperature.

Battery is a very important part in the UPS system. The life of battery affected by the environment temperature and cycling use times, high temperature and deep discharge will decrease the battery life.

Battery test can find out battery most problem in battery for external battery bank, voltage of each battery unit can be a indicator for the battery health status, under not charged condition,battery voltage of in bad unit condition will drop quickly, or significantly stray from that of the rest unit in the same battery bank. Professional

battery check is to test battery with battery diagnostic instrument, in which battery impedance is measure.

If UPS is not used, it is suggested to charge the battery once every 6 months.

Normally, the battery should be discharged once every 4 to 6 months.