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Battle born batteries wiring diagram update#

This BMS “assistant” is specifically for Victron lithium batteries using the VE.Bus BMS. So, you can go through that process and then come back here for one additional step required when using a VE.Bus BMS – the addition of an “assistant” for the BMS. I recommending using the VictronConnect app to program/configure your Victron MultiPlus inverter/charger.

The ESS Assistant as well as some others, with integrated VE.Bus BMS functionality are updated and will work with both old firmware & new firmware.

The VE.Bus BMS Assistant, when installed on this new firmware, will issue a warning, that it needs no longer to be installed.

Finished, or optionally connect with VictronConnect and make the rest of the configuration.

This step ensures that the Multi has properly detected the VE.Bus BMS.

unplug the VE.Bus BMS and wait for the Multi to switch to passthrough/switch off.

The recommended way to commission such system is to:

State of charge when bulk is finished: 95%.

Charge curve fixed (but reduced float is disabled, the settings “repeated absorption time” and “repeated absorption interval” are changed but ignored).

Absorption voltage is set to 14.2V, Float to 13.5.

In more detail: it will go through passthrough when AC is present, and switches off if there is no AC BMS.

The (new) ”Configured for VE.Bus BMS” setting is set, meaning that it will no longer charge in case it doesn’t see the VE.Bus BMS anymore.Using this new firmware results in practically the same behaviour as previously when using the Assistant.Īs soon as the Multi (or Quattro) sees the VE.Bus BMS, and the (new) checkbox called “Configured for VE.Bus BMS” is not checked yet, it will automatically configure itself. According the release notes, if you use this firmware, “there is no need to use the VE.Bus BMS assistant anymore.”īelow, in italics, are the notes regarding this, taken from the changelog file from Victron Energy.

Battle born batteries wiring diagram update#

UPDATE – in October of 2021, Victron Energy released version 489 (xxxx489) of the firmware for MultiPlus inverter/chargers.