Wiring 4 6V batteries with SmartShunt - Victron Community
How to wire 6V Batteries in series or parallel configuration
Building a battery bank using amp hours batteries – BatteryGuy.com Knowledge Base
Battery Wiring Diagrams
Does 2 12 volt batteries make 24 volts? - Quora
Amazon.com: Qty 4 VMAX V6-225: 6.2kWh 24V AGM Solar Battery Bank for Home, RV, or Industrial (4) 6V 225Ah AGM Deep Cycle Batteries 6 Volt Maintenance Free : Automotive