Please note that the ‘oxygen only’ end of the charge phase of sealed (VRLA) gel and AGM batteries also results in a reduced charge efficiency. Gassing can easily be observed in flooded batteries. The energy stored in the plates can be retrieved during the next discharge, whereas the energy used to decompose water is lost. Gassing means that part of the charge current is not transformed into chemical energy, which is stored in the plates of the battery, but is used to decompose water into oxygen and hydrogen gas (highly explosive!). The charge efficiency of a lead acid battery is almost 100% as long as no gas generation takes place. The battery monitor takes this phenomenon into account with the charge efficiency factor. The charge efficiency of a battery depends on battery type, age and usage.

A setting of 100% means that there are no losses.Ī charge efficiency of 95% means that 10Ah must be transferred to the battery to get 9.5Ah actually stored in the battery. The “Charge Efficiency Factor” compensates for the capacity (Ah) losses during charging. Incorrect auxillary battery voltage reading State of charge does not increase fast enough or too fast when charging There is a current reading while no current flows Charge and discharge current are inverted What to do in case of an alarm during discharging What to do in case of an alarm during charging Connecting and monitoring midpoint in a 48V battery bank Connecting and monitoring midpoint in a 24V battery bank Battery bank and midpoint wiring diagrams Saving, loading and sharing settings in VictronConnect Accessing settings via the VictronConnect app Connecting to a GX device and the VRM portal Accessing historical data via the VictronConnect app Auxiliary connection for temperature monitoring Auxiliary connection midpoint battery bank monitoring Auxiliary connection for monitoring the voltage of a second battery

Agm battery monitor