3.2 Large battery banks
When a large battery bank is needed try to avoid numerous series parallel battery banks constructed out of 12V AGM or Gel batteries. In these cases, consider using 2V lead acid batteries, Victron lithium batteries, smart Lithium batteries or smart other chemistry batteries. 2V lead acid batteries 2V OPzV or OPzS batteries are available in a variety of large capacities. You only have to pick the capacity you want and connect them in series. They are supplied with dedicated connection links exactly for that purpose.
Basic Lithium batteries With internal or external BMS.
Smart Lithium batteries Each battery has their own battery management system.
Together they will generate a total state of charge value for the whole battery bank. A Venus monitoring device is needed in the system. More info on what brands can work with Victron see: https://www.victronenergy.com/live/battery_compatibility:start
Other chemistry batteries Flow batteries and other chemistries. Commonly available in 48V. Multiple batteries can connect in parallel without any issues. Each battery has their own battery management system. Together they will generate a total state of charge value for the whole battery bank. A Venus monitoring device is needed in the system. More info on what brands can work with Victron see: https://www.victronenergy.com/live/battery_compatibility:start
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