How Do You Charge Two 6 Volt Batteries In Series. In order to charge the batteries you can use either a 6 volt or 12 volt battery charger it all just depends on how you want to charge them. In the second example to charge a 24V system simply use each bank of the charger on each 12V battery.
In a Series Configuration the batteries are wired per the diagram below and the result would be a doubling of the voltage while the capacity remains the same. Think of it this way instead of as four 6V bats. In off-grid wind and solar power systems the greater the direct voltage for charging the batteries.
You would continue this positive to negative pattern until you reach your last battery.
24 Volt Charger Two Batteries in Series Two Chargers Figure 7 Two Batteries in Series Two Chargers Figure 7 shows two 12 Volt batteries connected in series. By charging 6-volt batteries in series with a 12-volt charger you allow your off-grid electrical the true capacity it needs. Ground the negative terminal of battery 2. In a Series Configuration the batteries are wired per the diagram below and the result would be a doubling of the voltage while the capacity remains the same.
