Which type of charger is used for charging lead-acid stationary batteries?

The appropriate type of charger used for charging lead-acid stationary batteries is a constant voltage charger. This method maintains a constant voltage throughout the charging process, allowing the current to taper down as the battery approaches a full state of charge.

Lead-acid batteries are designed to be charged in a specific voltage range, and the constant voltage charger ensures that the voltage does not exceed the maximum allowable level, which could lead to overcharging and damage the battery. By keeping the voltage steady, it also allows for efficient charging while reducing the risk of gassing, which can occur if the voltage is too high.

The importance of this charging method lies in its effectiveness at managing the charge cycle without causing unnecessary strain on the battery, thereby extending its overall lifespan and ensuring reliable operation in stationary applications.