Charging procedure and battery chargers

Batteries are a fundamental component in an emergency backup system or in an independent power network, so accurate battery monitoring helps optimize its life. This is where Amperis equipment comes into play. Thanks to the wide range of monitoring and charging systems, they allow an optimal maintenance and control of the batteries. Below we detail information about the general common loading procedure for all types of loaders:

  • First, the electrolyte levels of all the cells must be checked. If these levels are below the top of the separators, they must be filled with distilled or deionized water to the top of the separators.
  • If a constant current battery charger or a fast charge charger is used, the plugs or manifolds must be removed before charging. On the other hand if a constant voltage battery charger (smart battery charger) is used, it is not necessary to remove it.
  • When connecting the battery charger to the battery, you should consult the information regarding the appropriate charging conditions depending on the charger.
  • If the battery begins to release gas or if the temperature of the battery exceeds 50ºC, the load must be stopped, the charger must be disconnected, the gases must be exhausted, the electrolyte levels of all the cells must be checked and filled if necessary.

In relation to the type of charger, it should be borne in mind that there are many types of chargers, of which we highlight:

  • Smart chargers: This is the new generation of chargers, which are able to check the battery status to develop a controlled charge that will charge the battery in the shortest time without damaging or overcharging it. It is important to follow the manufacturer's instructions as they can overcharge discharged batteries.
  • Constant current chargers: This type of chargers maintain a constant predefined current throughout the charging period regardless of battery voltage. It is important to note that it is not appropriate to charge the batteries in parallel and if they are charged in series, they should be removed as they are being charged. The open circuit voltage of the battery must be measured and charged according to the recommended charging speed (take into account that to obtain a stable voltage the battery must have been inactive for a minimum of 3 hours. Adjust the recommended speed, gradually increase or reduce the charging time If a battery is charged excessively, it has lost useful life and benefits due to irreversible sulphation, so if it is charged it may reduce its life even more useful potential.
  • Constant voltage chargers: These battery chargers maintain a predefined, fixed and constant voltage during charging, while the current will decrease as the battery charge status increases. These chargers were designed to charge one battery at a time. In addition, they may not be able to charge a battery that is discharged in excess.
  • Quick Charge Chargers: This type of chargers provide a very high initial intensity and are mainly used to lightly charge a battery that is discharged for service needs. The intensity decreases as the battery's state of charge increases (it is important to control the temperature to avoid overheating the battery). This type of cargo is not recommended except in exceptional circumstances.

For more information about our battery chargers: