![]() Damage due to deep discharge can occur if small loads slowly discharge the battery when the system is not in use. Lithium batteries are expensive and can be irreparably damaged due to very deep discharge or overcharge. The discharge floor can be set to a value between 10 and 20%, unless the battery supplier advises otherwise. However, lithium batteries usually can be discharged significantly deeper than 50%. This setting is used in “the time to go” calculation and is set at 50% by default for lead-acid batteries. In VictronConnect see: Setting > Battery > Discharge floor We recommend setting the charge efficiency at 99%. The charge efficiency of lithium batteries is much higher than that of lead-acid batteries. In VictronConnect see: Settings > Battery > Charge efficiency factor. Set the Peukert exponent at 1.05, unless the battery supplier advises otherwise. When subjected to high discharge rates, lithium batteries perform much better than lead-acid batteries. In VictronConnect see: Settings > Battery > Peukert exponent. The tail current must be set higher in this case. Some lithium battery chargers stop charging when the current drops below a set threshold. In VictronConnect see: Settings > Battery > Tail current. 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
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